Reverts the removal to give time to migrate the other unit tests. Add…

…s the serializer configuration to the jest.config.json

package.json

@@ -73,6 +73,7 @@
     "cheerio": "^0.22.0",
     "coveralls": "^2.11.12",
     "enzyme": "^2.7.1",
+    "enzyme-to-json": "^1.1.4",
     "eslint": "^3.14.0",
     "eslint-config-travix": "^2.2.0",
     "eslint-plugin-babel": "^4.0.0",

tests/jest.config.json

@@ -2,6 +2,7 @@
   "collectCoverage": true,
   "collectCoverageFrom": [
     "builder/**/*.js",
+    "!builder/index.js",
     "!builder/webpack.config.js",
     "components/**/*.js",
     "!components/index.js"
@@ -10,7 +11,11 @@
     "js",
     "json"
   ],
+  "snapshotSerializers": [
+    "<rootDir>/node_modules/jest-serializer-enzyme"
+  ],
   "transform": {
     ".*": "<rootDir>/node_modules/babel-jest"
-  }
+  },
+  "watchman": false
 }