[ng-dev] Async test helpers

TODO.md

@@ -1,4 +1,4 @@
 - landing page to link to all API docs
 - coveralls
   - help may be here, to combine multiple coverage runs into one report: https://github.com/angular/angular-cli/issues/11268
-- see if typedoc can support that "lib" mode that would eliminate the need for @hidden yet
+- Watch for when typedoc can support that "lib" mode that would eliminate the need for @hidden

projects/integration/src/app/api-tests/ng-dev.spec.ts

@@ -1,6 +1,8 @@
 import {
   AngularContext,
+  AsyncMethodController,
   ComponentContext,
+  TestCall,
   createSpyObject,
   expectCallsAndReset,
   expectSingleCallAndReset,
@@ -15,10 +17,18 @@ describe('ng-dev', () => {
     expect(AngularContext).toBeDefined();
   });
 
+  it('has AsyncMethodController', () => {
+    expect(AsyncMethodController).toBeDefined();
+  });
+
   it('has ComponentContext', () => {
     expect(ComponentContext).toBeDefined();
   });
 
+  it('has TestCall', () => {
+    expect(TestCall).toBeDefined();
+  });
+
   it('has createSpyObject()', () => {
     expect(createSpyObject).toBeDefined();
   });