protected function mockNodeType($nodeTypeName)
{
$mockNodeType = $this->getMockBuilder(NodeType::class)->disableOriginalConstructor()->getMock();
$mockNodeType->expects($this->any())->method('getName')->will($this->returnValue($nodeTypeName));
$mockNodeType->expects($this->any())->method('__toString')->will($this->returnValue($nodeTypeName));
return $mockNodeType;
}