Update test specs to use Jasmine 3 (#2089)

* Updated Karma and Jasmine versions

* Added DOMObserver class. Supports promise-based testing of DOM changes

Update asynchronous test specs to use promises or done() instead of waitsFor/runs

* Modified ActionCapability to duplicate context object properties as own properties for better object equality comparisons

* Global find + replace to fix syntax issues

* Fixed various issues caused by non-deterministic runtime order of tests in Jasmine 3. Fixed issues caused by changes to determination of object equality

* Addressed review comments

* Resolved merge conflicts with master

* Fixed style errors

* Use spy.calls.count() instead of manually tracking

platform/features/timeline/test/directives/MCTSwimlaneDragSpec.js

@@ -48,7 +48,7 @@ define(
                 testAttrs = { mctSwimlaneDrag: "someTestExpr" };
 
                 // Simulate evaluation of expressions in scope
-                mockScope.$eval.andCallFake(function (expr) {
+                mockScope.$eval.and.callFake(function (expr) {
                     return scopeExprs[expr];
                 });
 
@@ -58,7 +58,7 @@ define(
                 // for testing.
                 directive.link(mockScope, mockElement, testAttrs);
 
-                mockElement.on.calls.forEach(function (call) {
+                mockElement.on.calls.all().forEach(function (call) {
                     handlers[call.args[0]] = call.args[1];
                 });