/** @test */
 public function itShouldForwardReadableCallsToReadableStream()
 {
     $readable = $this->getMock('React\\Stream\\ReadableStreamInterface');
     $readable->expects($this->once())->method('isReadable');
     $readable->expects($this->once())->method('pause');
     $readable->expects($this->once())->method('resume');
     $writable = $this->getMock('React\\Stream\\WritableStreamInterface');
     $composite = new CompositeStream($readable, $writable);
     $composite->isReadable();
     $composite->pause();
     $composite->resume();
 }