public function testGetStorageDatabaseModel() { $dbModelMock = $this->getMockBuilder('Magento\\Core\\Model\\File\\Storage\\Database')->disableOriginalConstructor()->getMock(); $this->dbStorageFactoryMock->expects($this->once())->method('create')->will($this->returnValue($dbModelMock)); $this->assertSame($dbModelMock, $this->helper->getStorageDatabaseModel()); $this->assertSame($dbModelMock, $this->helper->getStorageDatabaseModel()); }