Rx\Subject\BehaviorSubjectTest::it_passes_on_error_if_not_disposed PHP Method

    public function it_passes_on_error_if_not_disposed()
    {
        $exception = new Exception('fail');
        $subject = new BehaviorSubject();
        $observer = $this->createMock('Rx\\ObserverInterface');
        $observer->expects($this->once())->method('onError')->with($this->equalTo($exception));
        $subject->subscribe($observer);
        $subject->onError($exception);
    }