Allow reporter callbacks to be asynchronous

[finishes #154673961]
- Fixes #842

Signed-off-by: Elenore Bastian <ebastian@pivotal.io>

spec/core/ExceptionsSpec.js

@@ -5,64 +5,42 @@ describe('Exceptions:', function() {
     env = new jasmineUnderTest.Env();
   });
 
-  describe('with break on exception', function() {
-    it('should not catch the exception', function() {
-      env.catchExceptions(false);
-      env.describe('suite for break on exceptions', function() {
-        env.it('should break when an exception is thrown', function() {
-          throw new Error('I should hit a breakpoint!');
-        });
+  it('should handle exceptions thrown, but continue', function(done) {
+    var secondTest = jasmine.createSpy('second test');
+    env.describe('Suite for handles exceptions', function () {
+      env.it('should be a test that fails because it throws an exception', function() {
+        throw new Error();
       });
-      var spy = jasmine.createSpy('spy');
-
-      try {
-        env.execute();
-        spy();
-      }
-      catch (e) {}
-
-      expect(spy).not.toHaveBeenCalled();
+      env.it('should be a passing test that runs after exceptions are thrown from a async test', secondTest);
     });
+
+    var expectations = function() {
+      expect(secondTest).toHaveBeenCalled();
+      done();
+    };
+
+    env.addReporter({ jasmineDone: expectations });
+    env.execute();
   });
 
-  describe("with catch on exception", function() {
-    it('should handle exceptions thrown, but continue', function(done) {
-      var secondTest = jasmine.createSpy('second test');
-      env.describe('Suite for handles exceptions', function () {
-        env.it('should be a test that fails because it throws an exception', function() {
-          throw new Error();
-        });
-        env.it('should be a passing test that runs after exceptions are thrown from a async test', secondTest);
+  it("should handle exceptions thrown directly in top-level describe blocks and continue", function(done) {
+    var secondDescribe = jasmine.createSpy("second describe");
+    env.describe("a suite that throws an exception", function () {
+      env.it("is a test that should pass", function () {
+        this.expect(true).toEqual(true);
       });
 
-      var expectations = function() {
-        expect(secondTest).toHaveBeenCalled();
-        done();
-      };
-
-      env.addReporter({ jasmineDone: expectations });
-      env.execute();
+      throw new Error("top level error");
     });
+    env.describe("a suite that doesn't throw an exception", secondDescribe);
 
-    it("should handle exceptions thrown directly in top-level describe blocks and continue", function(done) {
-      var secondDescribe = jasmine.createSpy("second describe");
-      env.describe("a suite that throws an exception", function () {
-        env.it("is a test that should pass", function () {
-         this.expect(true).toEqual(true);
-        });
+    var expectations = function() {
+      expect(secondDescribe).toHaveBeenCalled();
+      done();
+    };
 
-        throw new Error("top level error");
-      });
-      env.describe("a suite that doesn't throw an exception", secondDescribe);
-
-      var expectations = function() {
-        expect(secondDescribe).toHaveBeenCalled();
-        done();
-      };
-
-      env.addReporter({ jasmineDone: expectations });
-      env.execute();
-    });
+    env.addReporter({ jasmineDone: expectations });
+    env.execute();
   });
 });