/**
  * @test
  */
 public function unlinkTest()
 {
     $path = 'mockScheme1://foo/bar';
     $this->streamWrapperAdapter->expects($this->once())->method('createStreamWrapper')->with($path);
     $this->mockStreamWrapper->expects($this->once())->method('unlink')->with($path)->will($this->returnValue(true));
     $this->assertTrue($this->streamWrapperAdapter->unlink($path));
 }