createMock

    /**
     * Returns a test double for the specified class.
     *
     * @param string $originalClassName
     *
     * @return PHPUnit_Framework_MockObject_MockObject
     *
     * @throws PHPUnit_Framework_Exception
     *
     * @since Method available since Release 5.4.0
     */
	protected function createMock($originalClassName) {
		if (is_callable('parent::createMock')) {
			return parent::createMock($originalClassName);
		}

		return $this->getMockBuilder($originalClassName)
			->disableOriginalConstructor()
			->disableOriginalClone()
			->disableArgumentCloning()
			->disallowMockingUnknownTypes()
			->getMock();
	}