import {cold, getTestScheduler} from 'jasmine-marbles';
import 'rxjs/add/operator/concat';

describe('Test', () => {
  it('concat', () => {
    const one$ = cold('x-x|', {x: 'some value'});
    const two$ = cold('-y|', {y: 999});

    expect(one$.concat(two$)).toBeObservable(cold('a-a-b|', {a: 'some value', b: 999}));
  });
});