Fix this.skip() async calls

lib/runner.js

@@ -781,6 +781,9 @@ Runner.prototype.runSuite = function(suite, fn) {
  * @private
  */
 Runner.prototype.uncaught = function(err) {
+  if (err instanceof Pending) {
+    return;
+  }
   if (err) {
     debug('uncaught exception %O', err);
   } else {

test/integration/fixtures/pending/skip-async-before-hooks.fixture.js

@@ -14,8 +14,7 @@ describe('outer suite', function () {
       console.log('inner before');
       var self = this;
       setTimeout(function () {
-        self.skip();
-        done();
+        self.skip();   // done() is not required
       }, 0);
     });
 

test/integration/fixtures/pending/skip-async-before-nested.fixture.js

@@ -2,8 +2,7 @@ describe('skip in before with nested describes', function () {
   before(function (done) {
     var self = this;
     setTimeout(function () {
-      self.skip();
-      done();
+      self.skip();   // done() is not required
     }, 0);
   });
 

test/integration/fixtures/pending/skip-async-before.fixture.js

@@ -7,7 +7,7 @@ describe('outer describe', function () {
     before(function (done) {
       var self = this;
       setTimeout(function () {
-        self.skip();
+        self.skip();   // done() is not required
       }, 0);
     });
 

test/integration/fixtures/pending/skip-async-beforeEach.fixture.js

@@ -4,18 +4,17 @@ describe('skip in beforeEach', function () {
   beforeEach(function (done) {
     var self = this;
     setTimeout(function () {
-      self.skip();
-      done();
+      self.skip();   // done() is not required
     }, 0);
   });
 
-  it('should skip this test', function () {
+  it('should skip this test-1', function () {
     throw new Error('never run this test');
   });
-  it('should not reach this test', function () {
+  it('should skip this test-2', function () {
     throw new Error('never run this test');
   });
-  it('should not reach this test', function () {
+  it('should skip this test-3', function () {
     throw new Error('never run this test');
   });
 });

test/integration/fixtures/pending/skip-async-spec.fixture.js

@@ -4,7 +4,7 @@ describe('skip in test', function () {
   it('should skip async', function (done) {
     var self = this;
     setTimeout(function () {
-      self.skip();
+      self.skip();   // done() is not required
     }, 0);
   });
 

test/integration/pending.spec.js

@@ -258,18 +258,21 @@ describe('pending', function() {
 
     describe('in beforeEach', function() {
       it('should skip all suite specs', function(done) {
-        run('pending/skip-async-beforeEach.fixture.js', args, function(
-          err,
-          res
-        ) {
+        var fixture = 'pending/skip-async-beforeEach.fixture.js';
+        run(fixture, args, function(err, res) {
           if (err) {
-            done(err);
-            return;
+            return done(err);
           }
-          assert.strictEqual(res.stats.pending, 1);
-          assert.strictEqual(res.stats.passes, 0);
-          assert.strictEqual(res.stats.failures, 1);
-          assert.strictEqual(res.code, 1);
+          expect(res, 'to have passed')
+            .and('to have passed test count', 0)
+            .and('to have pending test count', 3)
+            .and(
+              'to have pending test order',
+              'should skip this test-1',
+              'should skip this test-2',
+              'should skip this test-3'
+            )
+            .and('to have failed test count', 0);
           done();
         });
       });