In my angular 4 app, I am writing a test case for a method which navigates to a different route. In my test case I am importing RouterTestingModule.withRoutes and passing the route.
const testRoutes: Routes = [ { path: 'sampleApp', component: SampleComponent}];
imports: [RouterTestingModule.withRoutes(testRoutes)]
This doesn't seem to work I still get the error,
angular jasmine ERROR: 'Unhandled Promise rejection:', 'Cannot match any routes. URL Segment ...
How can I resolve this.