/**
* @depends testInstanceOf
*/
public function testWriteIsWritingYamlIntoFile()
{
$yamlWriterProvider = new YamlWriterProvider($this->mockWriter);
$this->mockWriter->expects($this->once())->method('dump')->with(array('result' => false))->willReturn('result: false');
$yamlWriterProvider->write(vfsStream::url('settings/config.yml'), array('result' => false));
$this->assertTrue($this->root->hasChild('settings/config.yml'));
}