public function setUp()
{
$this->mockEntityManager = $this->getMockBuilder(ObjectManager::class)->disableOriginalConstructor()->getMock();
$this->mockClassMetadata = $this->getMockBuilder(ClassMetadata::class)->disableOriginalConstructor()->getMock();
$this->mockEntityManager->expects($this->any())->method('getClassMetadata')->will($this->returnValue($this->mockClassMetadata));
}