Added jasmine.spyOnGlobalErrorsAsync

* Allows testing code that's expected to prodeuce global errors or
  unhandled promise rejections
* Fixes #1843
* Fixes #1453

src/core/Suite.js

@@ -227,6 +227,11 @@ getJasmineRequireObj().Suite = function(j$) {
         this.onLateError(expectationResult);
       } else {
         this.result.failedExpectations.push(expectationResult);
+
+        // TODO: refactor so that we don't need to override cached status
+        if (this.result.status) {
+          this.result.status = 'failed';
+        }
       }
 
       if (this.throwOnExpectationFailure) {