message: use `.create()` to create test service stubs
diff: @@ -84,8 +84,8 @@ module('Unit | Location | history with fragments', hooks => {
  history: new FakeHistory(),
  location: mockBrowserLocation(testCase.start),
  scrollToFragment: { perform: () => null },
  - osfRouter: new OsfRouterStub() as any,
  - ready: new ReadyStub() as any,
  + osfRouter: OsfRouterStub.create() as any,
  + ready: ReadyStub.create() as any,
  });
  historyLocation.replaceURL(testCase.replaceWith);
  