diff --git a/test/aggregate.test.js b/test/aggregate.test.js
index c20d7cd374c..3c417deb53b 100644
--- a/test/aggregate.test.js
+++ b/test/aggregate.test.js
@@ -4,9 +4,10 @@
  * Module dependencies
  */
 
+const start = require('./common');
+
 const assert = require('assert');
 const co = require('co');
-const start = require('./common');
 
 const Aggregate = require('../lib/aggregate');
 
diff --git a/test/cast.test.js b/test/cast.test.js
index 19cabd6ebfa..7716f0b1120 100644
--- a/test/cast.test.js
+++ b/test/cast.test.js
@@ -4,6 +4,8 @@
 
 'use strict';
 
+require('./common');
+
 const Schema = require('../lib/schema');
 const assert = require('assert');
 const cast = require('../lib/cast');
diff --git a/test/collection.capped.test.js b/test/collection.capped.test.js
index 06b48fc66a9..1a2ad1d7219 100644
--- a/test/collection.capped.test.js
+++ b/test/collection.capped.test.js
@@ -4,9 +4,10 @@
 
 'use strict';
 
+const start = require('./common');
+
 const assert = require('assert');
 const random = require('../lib/utils').random;
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/collection.test.js b/test/collection.test.js
index a6f58d0f12b..a7d7ec2c27a 100644
--- a/test/collection.test.js
+++ b/test/collection.test.js
@@ -1,8 +1,9 @@
 'use strict';
 
+const start = require('./common');
+
 const Collection = require('../lib/collection');
 const assert = require('assert');
-const start = require('./common');
 
 const mongoose = start.mongoose;
 
diff --git a/test/colors.js b/test/colors.js
index 498e103cdbf..224beb24aa7 100644
--- a/test/colors.js
+++ b/test/colors.js
@@ -4,10 +4,11 @@
 
 'use strict';
 
+const start = require('./common');
+
 const DocumentArray = require('../lib/types/documentarray');
 const EmbeddedDocument = require('../lib/types/embedded');
 const assert = require('assert');
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/connection.test.js b/test/connection.test.js
index 4d97b7caf84..6a4a61a4697 100644
--- a/test/connection.test.js
+++ b/test/connection.test.js
@@ -4,12 +4,13 @@
  * Module dependencies.
  */
 
+const start = require('./common');
+
 const Promise = require('bluebird');
 const Q = require('q');
 const assert = require('assert');
 const co = require('co');
 const server = require('./common').server;
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/document.isselected.test.js b/test/document.isselected.test.js
index 47f4348d55c..4cea9e4b10f 100644
--- a/test/document.isselected.test.js
+++ b/test/document.isselected.test.js
@@ -5,12 +5,14 @@
 'use strict';
 
 const start = require('./common');
-const mongoose = start.mongoose;
-const assert = require('assert');
+
+const Document = require('../lib/document');
 const EventEmitter = require('events').EventEmitter;
+const assert = require('assert');
+
+const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
 const ObjectId = Schema.ObjectId;
-const Document = require('../lib/document');
 const DocumentObjectId = mongoose.Types.ObjectId;
 
 /**
diff --git a/test/document.modified.test.js b/test/document.modified.test.js
index 231d61f27ea..590c42ad13f 100644
--- a/test/document.modified.test.js
+++ b/test/document.modified.test.js
@@ -4,9 +4,10 @@
 
 'use strict';
 
+const start = require('./common');
+
 const assert = require('assert');
 const random = require('../lib/utils').random;
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/document.populate.test.js b/test/document.populate.test.js
index 4e1ba3f098e..9ab17579bd5 100644
--- a/test/document.populate.test.js
+++ b/test/document.populate.test.js
@@ -5,10 +5,11 @@
 
 'use strict';
 
+const start = require('./common');
+
 const Document = require('../lib/document');
 const assert = require('assert');
 const co = require('co');
-const start = require('./common');
 const utils = require('../lib/utils');
 
 const mongoose = start.mongoose;
diff --git a/test/document.strict.test.js b/test/document.strict.test.js
index 562544e8e6c..15a6b530c31 100644
--- a/test/document.strict.test.js
+++ b/test/document.strict.test.js
@@ -4,10 +4,11 @@
 
 'use strict';
 
+const start = require('./common');
+
 const assert = require('assert');
 const co = require('co');
 const random = require('../lib/utils').random;
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/document.test.js b/test/document.test.js
index a4204870ec8..7b466a47156 100644
--- a/test/document.test.js
+++ b/test/document.test.js
@@ -4,6 +4,8 @@
  * Module dependencies.
  */
 
+const start = require('./common');
+
 const Document = require('../lib/document');
 const EventEmitter = require('events').EventEmitter;
 const EmbeddedDocument = require('../lib/types/embedded');
@@ -11,7 +13,6 @@ const Query = require('../lib/query');
 const assert = require('assert');
 const co = require('co');
 const random = require('../lib/utils').random;
-const start = require('./common');
 const utils = require('../lib/utils');
 const validator = require('validator');
 const Buffer = require('safe-buffer').Buffer;
diff --git a/test/document.unit.test.js b/test/document.unit.test.js
index 03cb3af7f92..86923f2c0b5 100644
--- a/test/document.unit.test.js
+++ b/test/document.unit.test.js
@@ -4,8 +4,9 @@
 
 'use strict';
 
-const assert = require('assert');
 const start = require('./common');
+
+const assert = require('assert');
 const storeShard = require('../lib/plugins/sharding').storeShard;
 
 const mongoose = start.mongoose;
diff --git a/test/errors.validation.test.js b/test/errors.validation.test.js
index 8a1aecd4226..554847152e6 100644
--- a/test/errors.validation.test.js
+++ b/test/errors.validation.test.js
@@ -5,9 +5,10 @@
 
 'use strict';
 
+const start = require('./common');
+
 const ValidationError = require('../lib/error/validation');
 const assert = require('assert');
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/geojson.test.js b/test/geojson.test.js
index e1d33c804eb..e54f6fd7609 100644
--- a/test/geojson.test.js
+++ b/test/geojson.test.js
@@ -4,9 +4,10 @@
  * Module dependencies.
  */
 
-const assert = require('assert');
 const start = require('./common');
 
+const assert = require('assert');
+
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
 
diff --git a/test/gh-1408.test.js b/test/gh-1408.test.js
index a6684ac1ded..7a2d86cef57 100644
--- a/test/gh-1408.test.js
+++ b/test/gh-1408.test.js
@@ -5,9 +5,10 @@
 
 'use strict';
 
-const assert = require('assert');
 const start = require('./common');
 
+const assert = require('assert');
+
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
 
diff --git a/test/index.test.js b/test/index.test.js
index e9e7eee8a01..5e3c643cd4f 100644
--- a/test/index.test.js
+++ b/test/index.test.js
@@ -1,9 +1,10 @@
 'use strict';
 
+const start = require('./common');
+
 const assert = require('assert');
 const co = require('co');
 const random = require('../lib/utils').random;
-const start = require('./common');
 const stream = require('stream');
 
 const collection = 'blogposts_' + random();
diff --git a/test/model.aggregate.test.js b/test/model.aggregate.test.js
index b740c40b499..2272f23fe30 100644
--- a/test/model.aggregate.test.js
+++ b/test/model.aggregate.test.js
@@ -5,10 +5,11 @@
 
 'use strict';
 
+const start = require('./common');
+
 const Aggregate = require('../lib/aggregate');
 const assert = require('assert');
 const random = require('../lib/utils').random;
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/model.create.test.js b/test/model.create.test.js
index a22b1da92e7..51630b0a654 100644
--- a/test/model.create.test.js
+++ b/test/model.create.test.js
@@ -5,9 +5,11 @@
  */
 
 const start = require('./common');
+
 const assert = require('assert');
-const mongoose = start.mongoose;
 const random = require('../lib/utils').random;
+
+const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
 const DocumentObjectId = mongoose.Types.ObjectId;
 
diff --git a/test/model.discriminator.querying.test.js b/test/model.discriminator.querying.test.js
index 9132cc78e04..83c55da1a8c 100644
--- a/test/model.discriminator.querying.test.js
+++ b/test/model.discriminator.querying.test.js
@@ -5,6 +5,7 @@
 'use strict';
 
 const start = require('./common');
+
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
 const assert = require('assert');
diff --git a/test/model.discriminator.test.js b/test/model.discriminator.test.js
index 1b50f81a201..429c5c18620 100644
--- a/test/model.discriminator.test.js
+++ b/test/model.discriminator.test.js
@@ -4,11 +4,12 @@
  * Test dependencies.
  */
 
+const start = require('./common');
+
 const assert = require('assert');
 const clone = require('../lib/utils').clone;
 const co = require('co');
 const random = require('../lib/utils').random;
-const start = require('./common');
 const util = require('util');
 
 const mongoose = start.mongoose;
diff --git a/test/model.field.selection.test.js b/test/model.field.selection.test.js
index 9834cd45b3d..d2e2d454436 100644
--- a/test/model.field.selection.test.js
+++ b/test/model.field.selection.test.js
@@ -4,10 +4,11 @@
 
 'use strict';
 
+const start = require('./common');
+
 const assert = require('assert');
 const co = require('co');
 const random = require('../lib/utils').random;
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/model.findOneAndDelete.test.js b/test/model.findOneAndDelete.test.js
index 210a992b4d7..4c6e80f789d 100644
--- a/test/model.findOneAndDelete.test.js
+++ b/test/model.findOneAndDelete.test.js
@@ -4,9 +4,10 @@
  * Test dependencies.
  */
 
+const start = require('./common');
+
 const assert = require('assert');
 const co = require('co');
-const start = require('./common');
 const random = require('../lib/utils').random;
 
 const mongoose = start.mongoose;
diff --git a/test/model.findOneAndRemove.test.js b/test/model.findOneAndRemove.test.js
index b73af6d83e4..901e9e05885 100644
--- a/test/model.findOneAndRemove.test.js
+++ b/test/model.findOneAndRemove.test.js
@@ -4,9 +4,10 @@
  * Test dependencies.
  */
 
+const start = require('./common');
+
 const assert = require('assert');
 const co = require('co');
-const start = require('./common');
 const random = require('../lib/utils').random;
 
 const mongoose = start.mongoose;
diff --git a/test/model.findOneAndReplace.test.js b/test/model.findOneAndReplace.test.js
index 11e7dfbd8fe..b3054153f5f 100644
--- a/test/model.findOneAndReplace.test.js
+++ b/test/model.findOneAndReplace.test.js
@@ -4,9 +4,10 @@
  * Test dependencies.
  */
 
+const start = require('./common');
+
 const assert = require('assert');
 const co = require('co');
-const start = require('./common');
 const random = require('../lib/utils').random;
 
 const mongoose = start.mongoose;
diff --git a/test/model.findOneAndUpdate.test.js b/test/model.findOneAndUpdate.test.js
index a59d3d2e9a6..efa5091ba73 100644
--- a/test/model.findOneAndUpdate.test.js
+++ b/test/model.findOneAndUpdate.test.js
@@ -4,8 +4,9 @@
  * Test dependencies.
  */
 
-const CastError = require('../lib/error/cast');
 const start = require('./common');
+
+const CastError = require('../lib/error/cast');
 const assert = require('assert');
 const mongoose = start.mongoose;
 const random = require('../lib/utils').random;
diff --git a/test/model.geosearch.test.js b/test/model.geosearch.test.js
index a0cee8b299c..3848240091f 100644
--- a/test/model.geosearch.test.js
+++ b/test/model.geosearch.test.js
@@ -1,8 +1,9 @@
 'use strict';
 
+const start = require('./common');
+
 const assert = require('assert');
 const random = require('../lib/utils').random;
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/model.hydrate.test.js b/test/model.hydrate.test.js
index 83a0319e323..e7f0134d61a 100644
--- a/test/model.hydrate.test.js
+++ b/test/model.hydrate.test.js
@@ -4,9 +4,10 @@
 
 'use strict';
 
-const assert = require('assert');
 const start = require('./common');
 
+const assert = require('assert');
+
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
 const DocumentObjectId = mongoose.Types.ObjectId;
diff --git a/test/model.indexes.test.js b/test/model.indexes.test.js
index 15891a4b2a9..113980002cd 100644
--- a/test/model.indexes.test.js
+++ b/test/model.indexes.test.js
@@ -4,9 +4,10 @@
  * Test dependencies.
  */
 
+const start = require('./common');
+
 const assert = require('assert');
 const random = require('../lib/utils').random;
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/model.mapreduce.test.js b/test/model.mapreduce.test.js
index 59777ed7fef..7b69d8d1ecc 100644
--- a/test/model.mapreduce.test.js
+++ b/test/model.mapreduce.test.js
@@ -5,9 +5,10 @@
 
 'use strict';
 
+const start = require('./common');
+
 const assert = require('assert');
 const random = require('../lib/utils').random;
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/model.middleware.test.js b/test/model.middleware.test.js
index e92ade6cb11..84d0abe869e 100644
--- a/test/model.middleware.test.js
+++ b/test/model.middleware.test.js
@@ -4,9 +4,10 @@
  * Test dependencies.
  */
 
+const start = require('./common');
+
 const assert = require('assert');
 const co = require('co');
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/model.populate.divergent.test.js b/test/model.populate.divergent.test.js
index 891b5c7f78c..49b989231ff 100644
--- a/test/model.populate.divergent.test.js
+++ b/test/model.populate.divergent.test.js
@@ -5,8 +5,9 @@
 
 'use strict';
 
-const assert = require('assert');
 const start = require('./common');
+
+const assert = require('assert');
 const utils = require('../lib/utils');
 
 const mongoose = start.mongoose;
diff --git a/test/model.populate.setting.test.js b/test/model.populate.setting.test.js
index b8c7307b6b4..e5b4c8be7a9 100644
--- a/test/model.populate.setting.test.js
+++ b/test/model.populate.setting.test.js
@@ -6,9 +6,10 @@
 
 'use strict';
 
+const start = require('./common');
+
 const Buffer = require('safe-buffer').Buffer;
 const assert = require('assert');
-const start = require('./common');
 const utils = require('../lib/utils');
 
 const mongoose = start.mongoose;
diff --git a/test/model.populate.test.js b/test/model.populate.test.js
index eaf72afdbf7..8abdabb8a2c 100644
--- a/test/model.populate.test.js
+++ b/test/model.populate.test.js
@@ -4,9 +4,10 @@
  * Test dependencies.
  */
 
+const start = require('./common');
+
 const assert = require('assert');
 const co = require('co');
-const start = require('./common');
 const utils = require('../lib/utils');
 const Buffer = require('safe-buffer').Buffer;
 
diff --git a/test/model.query.casting.test.js b/test/model.query.casting.test.js
index 153d6b83c0a..20b7a5b5a2c 100644
--- a/test/model.query.casting.test.js
+++ b/test/model.query.casting.test.js
@@ -4,9 +4,10 @@
  * Test dependencies.
  */
 
+const start = require('./common');
+
 const assert = require('assert');
 const random = require('../lib/utils').random;
-const start = require('./common');
 
 const mongoose = start.mongoose;
 
diff --git a/test/model.querying.test.js b/test/model.querying.test.js
index 9d02ab1ee1d..7c996183098 100644
--- a/test/model.querying.test.js
+++ b/test/model.querying.test.js
@@ -4,11 +4,12 @@
  * Test dependencies.
  */
 
+const start = require('./common');
+
 const Query = require('../lib/query');
 const assert = require('assert');
 const co = require('co');
 const random = require('../lib/utils').random;
-const start = require('./common');
 const Buffer = require('safe-buffer').Buffer;
 
 const mongoose = start.mongoose;
diff --git a/test/model.test.js b/test/model.test.js
index bfe47729154..f51cd13e094 100644
--- a/test/model.test.js
+++ b/test/model.test.js
@@ -4,10 +4,11 @@
  * Test dependencies.
  */
 
+const start = require('./common');
+
 const assert = require('assert');
 const co = require('co');
 const random = require('../lib/utils').random;
-const start = require('./common');
 const Buffer = require('safe-buffer').Buffer;
 
 const mongoose = start.mongoose;
diff --git a/test/model.translateAliases.test.js b/test/model.translateAliases.test.js
index 60c9c59f759..944e4fb7bb9 100644
--- a/test/model.translateAliases.test.js
+++ b/test/model.translateAliases.test.js
@@ -4,9 +4,10 @@
 
 'use strict';
 
-const assert = require('assert');
 const start = require('./common');
 
+const assert = require('assert');
+
 const mongoose = start.mongoose;
 
 describe('model translate aliases', function() {
diff --git a/test/model.update.test.js b/test/model.update.test.js
index a504a893525..18f3ba25b98 100644
--- a/test/model.update.test.js
+++ b/test/model.update.test.js
@@ -4,10 +4,11 @@
  * Test dependencies.
  */
 
+const start = require('./common');
+
 const assert = require('assert');
 const co = require('co');
 const random = require('../lib/utils').random;
-const start = require('./common');
 const Buffer = require('safe-buffer').Buffer;
 
 const mongoose = start.mongoose;
diff --git a/test/object.create.null.test.js b/test/object.create.null.test.js
index ae852f3301d..27447e033db 100644
--- a/test/object.create.null.test.js
+++ b/test/object.create.null.test.js
@@ -4,9 +4,10 @@
 
 'use strict';
 
-const assert = require('assert');
 const start = require('./common');
 
+const assert = require('assert');
+
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
 
diff --git a/test/plugin.idGetter.test.js b/test/plugin.idGetter.test.js
index 28d7aefd64f..c68497d7a8f 100644
--- a/test/plugin.idGetter.test.js
+++ b/test/plugin.idGetter.test.js
@@ -4,9 +4,10 @@
  * Module dependencies.
  */
 
-const assert = require('assert');
 const start = require('./common');
 
+const assert = require('assert');
+
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
 
diff --git a/test/query.cursor.test.js b/test/query.cursor.test.js
index e4808b624c7..f29b4b6deeb 100644
--- a/test/query.cursor.test.js
+++ b/test/query.cursor.test.js
@@ -4,9 +4,10 @@
 
 'use strict';
 
+const start = require('./common');
+
 const assert = require('assert');
 const co = require('co');
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/query.middleware.test.js b/test/query.middleware.test.js
index 9ebebaf3649..dd3d0cab9ed 100644
--- a/test/query.middleware.test.js
+++ b/test/query.middleware.test.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const start = require('./common');
+
 const assert = require('assert');
 const co = require('co');
 
diff --git a/test/query.test.js b/test/query.test.js
index e670d3016cd..e1533df1a51 100644
--- a/test/query.test.js
+++ b/test/query.test.js
@@ -5,6 +5,7 @@
  */
 
 const start = require('./common');
+
 const Query = require('../lib/query');
 const assert = require('assert');
 const co = require('co');
diff --git a/test/query.toconstructor.test.js b/test/query.toconstructor.test.js
index 5c933043780..647278c02cf 100644
--- a/test/query.toconstructor.test.js
+++ b/test/query.toconstructor.test.js
@@ -1,10 +1,11 @@
 'use strict';
 
+const start = require('./common');
+
 const Query = require('../lib/query');
 const assert = require('assert');
 const co = require('co');
 const random = require('../lib/utils').random;
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/schema.alias.test.js b/test/schema.alias.test.js
index ef16af91039..41b7e81d20e 100644
--- a/test/schema.alias.test.js
+++ b/test/schema.alias.test.js
@@ -4,8 +4,9 @@
  * Module dependencies.
  */
 
-const assert = require('assert');
 const start = require('./common');
+
+const assert = require('assert');
 const Buffer = require('safe-buffer').Buffer;
 
 const mongoose = start.mongoose;
diff --git a/test/schema.boolean.test.js b/test/schema.boolean.test.js
index c5e759b6c77..9d15ef88604 100644
--- a/test/schema.boolean.test.js
+++ b/test/schema.boolean.test.js
@@ -4,9 +4,10 @@
  * Module dependencies.
  */
 
-const assert = require('assert');
 const start = require('./common');
 
+const assert = require('assert');
+
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
 
diff --git a/test/schema.date.test.js b/test/schema.date.test.js
index aea430d3232..227786469a7 100644
--- a/test/schema.date.test.js
+++ b/test/schema.date.test.js
@@ -1,8 +1,9 @@
 'use strict';
 
-const assert = require('assert');
 const start = require('./common');
 
+const assert = require('assert');
+
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
 
diff --git a/test/schema.documentarray.test.js b/test/schema.documentarray.test.js
index d6e34182b0b..208446dddeb 100644
--- a/test/schema.documentarray.test.js
+++ b/test/schema.documentarray.test.js
@@ -4,9 +4,10 @@
  * Module dependencies.
  */
 
-const assert = require('assert');
 const start = require('./common');
 
+const assert = require('assert');
+
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
 
diff --git a/test/schema.mixed.test.js b/test/schema.mixed.test.js
index 6687b81bdc6..6a5fc1b97b3 100644
--- a/test/schema.mixed.test.js
+++ b/test/schema.mixed.test.js
@@ -4,9 +4,10 @@
  * Module dependencies.
  */
 
-const assert = require('assert');
 const start = require('./common');
 
+const assert = require('assert');
+
 const mongoose = new start.mongoose.Mongoose;
 const Schema = mongoose.Schema;
 
diff --git a/test/schema.onthefly.test.js b/test/schema.onthefly.test.js
index caf524e658b..d20ed690a65 100644
--- a/test/schema.onthefly.test.js
+++ b/test/schema.onthefly.test.js
@@ -1,8 +1,9 @@
 'use strict';
 
+const start = require('./common');
+
 const assert = require('assert');
 const random = require('../lib/utils').random;
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/schema.select.test.js b/test/schema.select.test.js
index 1eb52b8ac9c..f88c8e3a3db 100644
--- a/test/schema.select.test.js
+++ b/test/schema.select.test.js
@@ -4,9 +4,10 @@
  * Test dependencies.
  */
 
+const start = require('./common');
+
 const assert = require('assert');
 const co = require('co');
-const start = require('./common');
 const random = require('../lib/utils').random;
 
 const mongoose = start.mongoose;
diff --git a/test/schema.test.js b/test/schema.test.js
index 62a813408bf..6cc36b8218e 100644
--- a/test/schema.test.js
+++ b/test/schema.test.js
@@ -5,6 +5,7 @@
  */
 
 const start = require('./common');
+
 const mongoose = start.mongoose;
 const assert = require('assert');
 const Schema = mongoose.Schema;
diff --git a/test/schema.timestamps.test.js b/test/schema.timestamps.test.js
index 959134494d2..60cc3630456 100644
--- a/test/schema.timestamps.test.js
+++ b/test/schema.timestamps.test.js
@@ -4,9 +4,10 @@
  * Test dependencies.
  */
 
+const start = require('./common');
+
 const assert = require('assert');
 const co = require('co');
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/schema.type.test.js b/test/schema.type.test.js
index dcd21284ede..b1c37594576 100644
--- a/test/schema.type.test.js
+++ b/test/schema.type.test.js
@@ -5,6 +5,7 @@
  */
 
 const mongoose = require('./common').mongoose;
+
 const assert = require('assert');
 
 const Schema = mongoose.Schema;
diff --git a/test/schema.validation.test.js b/test/schema.validation.test.js
index 77239c7122a..6b689ef052a 100644
--- a/test/schema.validation.test.js
+++ b/test/schema.validation.test.js
@@ -4,10 +4,11 @@
  * Module dependencies.
  */
 
+const start = require('./common');
+
 const Promise = require('bluebird');
 const assert = require('assert');
 const random = require('../lib/utils').random;
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/schematype.cast.test.js b/test/schematype.cast.test.js
index 2007b52739a..e7cb29da704 100644
--- a/test/schematype.cast.test.js
+++ b/test/schematype.cast.test.js
@@ -1,5 +1,7 @@
 'use strict';
 
+require('./common');
+
 const ObjectId = require('bson').ObjectId;
 const Schema = require('../lib/schema');
 const assert = require('assert');
diff --git a/test/services.query.test.js b/test/services.query.test.js
index ff2616c64bf..a79008893c2 100644
--- a/test/services.query.test.js
+++ b/test/services.query.test.js
@@ -1,5 +1,7 @@
 'use strict';
 
+require('./common');
+
 const Query = require('../lib/query');
 const Schema = require('../lib/schema');
 const assert = require('assert');
diff --git a/test/shard.test.js b/test/shard.test.js
index 753d207885a..b70aff23fb2 100644
--- a/test/shard.test.js
+++ b/test/shard.test.js
@@ -1,9 +1,10 @@
 'use strict';
 
+const start = require('./common');
+
 const assert = require('assert');
 const chalk = require('chalk');
 const random = require('../lib/utils').random;
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/timestamps.test.js b/test/timestamps.test.js
index e3e8f103518..2c3ab4fddec 100644
--- a/test/timestamps.test.js
+++ b/test/timestamps.test.js
@@ -1,8 +1,9 @@
 'use strict';
 
+const start = require('./common');
+
 const assert = require('assert');
 const co = require('co');
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/types.array.test.js b/test/types.array.test.js
index 449634dd3ae..fe87c82eeaa 100644
--- a/test/types.array.test.js
+++ b/test/types.array.test.js
@@ -4,13 +4,14 @@
 
 'use strict';
 
+const start = require('./common');
+
 const Buffer = require('safe-buffer').Buffer;
 const assert = require('assert');
 const co = require('co');
 const mongodb = require('mongodb');
 const mongoose = require('./common').mongoose;
 const random = require('../lib/utils').random;
-const start = require('./common');
 
 const MongooseArray = mongoose.Types.Array;
 const Schema = mongoose.Schema;
diff --git a/test/types.buffer.test.js b/test/types.buffer.test.js
index b1c5d4f56f5..a888af52c33 100644
--- a/test/types.buffer.test.js
+++ b/test/types.buffer.test.js
@@ -4,11 +4,12 @@
  * Module dependencies.
  */
 
+const start = require('./common');
+
 const Buffer = require('safe-buffer').Buffer;
 const assert = require('assert');
 const mongoose = require('./common').mongoose;
 const random = require('../lib/utils').random;
-const start = require('./common');
 
 const MongooseBuffer = mongoose.Types.Buffer;
 const Schema = mongoose.Schema;
diff --git a/test/types.decimal128.test.js b/test/types.decimal128.test.js
index 702444a9bfb..e226d5195c3 100644
--- a/test/types.decimal128.test.js
+++ b/test/types.decimal128.test.js
@@ -4,9 +4,10 @@
  * Module dependencies.
  */
 
-const assert = require('assert');
 const start = require('./common');
 
+const assert = require('assert');
+
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
 
diff --git a/test/types.document.test.js b/test/types.document.test.js
index e9f155ab50d..57408268740 100644
--- a/test/types.document.test.js
+++ b/test/types.document.test.js
@@ -5,8 +5,9 @@
 
 'use strict';
 
-const assert = require('assert');
 const start = require('./common');
+
+const assert = require('assert');
 const mongoose = start.mongoose;
 const EmbeddedDocument = require('../lib/types/embedded');
 const EventEmitter = require('events').EventEmitter;
diff --git a/test/types.documentarray.test.js b/test/types.documentarray.test.js
index 4195f06d531..e367250c062 100644
--- a/test/types.documentarray.test.js
+++ b/test/types.documentarray.test.js
@@ -4,13 +4,14 @@
  * Module dependencies.
  */
 
+const start = require('./common');
+
 const DocumentArray = require('../lib/types/documentarray');
 const EmbeddedDocument = require('../lib/types/embedded');
 const assert = require('assert');
 const co = require('co');
 const random = require('../lib/utils').random;
 const setValue = require('../lib/utils').setValue;
-const start = require('./common');
 
 const mongoose = require('./common').mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/types.embeddeddocument.test.js b/test/types.embeddeddocument.test.js
index 0cb15c89197..9dc078877fe 100644
--- a/test/types.embeddeddocument.test.js
+++ b/test/types.embeddeddocument.test.js
@@ -4,9 +4,10 @@
  * Module dependencies.
  */
 
-const assert = require('assert');
 const start = require('./common');
 
+const assert = require('assert');
+
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
 
diff --git a/test/types.map.test.js b/test/types.map.test.js
index 34a72d3ee04..5b3c2121e39 100644
--- a/test/types.map.test.js
+++ b/test/types.map.test.js
@@ -4,9 +4,10 @@
  * Module dependencies.
  */
 
+const start = require('./common');
+
 const assert = require('assert');
 const co = require('co');
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
diff --git a/test/types.number.test.js b/test/types.number.test.js
index 3ade9579897..fa8b152f6e6 100644
--- a/test/types.number.test.js
+++ b/test/types.number.test.js
@@ -4,9 +4,10 @@
  * Module dependencies.
  */
 
-const assert = require('assert');
 const mongoose = require('./common').mongoose;
 
+const assert = require('assert');
+
 const SchemaNumber = mongoose.Schema.Types.Number;
 
 /**
diff --git a/test/types.subdocument.test.js b/test/types.subdocument.test.js
index 43747660885..2c583625e39 100644
--- a/test/types.subdocument.test.js
+++ b/test/types.subdocument.test.js
@@ -5,9 +5,10 @@
 
 'use strict';
 
-const assert = require('assert');
 const start = require('./common');
 
+const assert = require('assert');
+
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
 
diff --git a/test/updateValidators.unit.test.js b/test/updateValidators.unit.test.js
index 6d5820f71d0..d92887e82c1 100644
--- a/test/updateValidators.unit.test.js
+++ b/test/updateValidators.unit.test.js
@@ -1,5 +1,7 @@
 'use strict';
 
+require('./common');
+
 const Schema = require('../lib/schema');
 const assert = require('assert');
 const updateValidators = require('../lib/helpers/updateValidators');
diff --git a/test/utils.test.js b/test/utils.test.js
index 9d2e92f1048..3fe9ac31a03 100644
--- a/test/utils.test.js
+++ b/test/utils.test.js
@@ -4,12 +4,13 @@
  * Module dependencies.
  */
 
+const start = require('./common');
+
 const Buffer = require('safe-buffer').Buffer;
 const MongooseBuffer = require('../lib/types/buffer');
 const ObjectId = require('../lib/types/objectid');
 const StateMachine = require('../lib/statemachine');
 const assert = require('assert');
-const start = require('./common');
 const utils = require('../lib/utils');
 
 const mongoose = start.mongoose;
diff --git a/test/versioning.test.js b/test/versioning.test.js
index 0806894eb90..e5b127d1d3b 100644
--- a/test/versioning.test.js
+++ b/test/versioning.test.js
@@ -4,10 +4,11 @@
  * Test dependencies.
  */
 
+const start = require('./common');
+
 const assert = require('assert');
 const co = require('co');
 const random = require('../lib/utils').random;
-const start = require('./common');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;