var spy = jasmine.createSpy('spy');
...
expect(spy).toHaveBeenCalled();

it("sandbox playground", function() {
    var twin1 = jasmine.createSpy('twin brother').and.returnValue({});
    var twin2 = jasmine.createSpy('twin brother').and.returnValue({});
    var unnamed = jasmine.createSpy(undefined).and.returnValue({});
    var skipped = jasmine.createSpy().and.returnValue({});
    expect(twin1).toHaveBeenCalled();
    expect(twin2).toHaveBeenCalled();
    expect(unnamed).toHaveBeenCalled();
    expect(skipped).toHaveBeenCalled();
});

Firefox 56.0.0 (Windows 7 0.0.0) Sample Tests. sandbox playground FAILED
    Expected spy twin brother to have been called.
    @tests/sampleTests.spec.js:37:9
    Expected spy twin brother to have been called.
    @tests/sampleTests.spec.js:38:9
    Expected spy unknown to have been called.
    @tests/sampleTests.spec.js:39:9
    Expected spy unknown to have been called.
    @tests/sampleTests.spec.js:40:9