@Test
public void testPrintOperationLog() throws Exception
{

    doReturn( productOperationView ).when( tracker ).getTrackerOperation( SOURCE.toUpperCase(), OPERATION_ID );
    when( productOperationView.getLog() ).thenReturn( "log" );
    when( productOperationView.getState() ).thenReturn( OperationState.RUNNING )
                                           .thenReturn( OperationState.SUCCEEDED );
    tracker.printOperationLog( SOURCE, OPERATION_ID, 200 );
    assertEquals( "log", getSysOut() );
}