/**
  * @dataProvider getChecksumProvider
  * @param $checksum
  * @param $expected
  */
 public function testGetChecksum($checksum, $expected)
 {
     $adapterInterfaceMock = $this->getMock('\\Magento\\Framework\\DB\\Adapter\\AdapterInterface', [], [], '', false);
     $adapterInterfaceMock->expects($this->once())->method('getTablesChecksum')->with($checksum)->will($this->returnValue([$checksum => 'checksum']));
     $this->_resourcesMock->expects($this->any())->method('getConnection')->will($this->returnValue($adapterInterfaceMock));
     $this->assertEquals($expected, $this->_model->getChecksum($checksum));
 }