trans = mock(Trans.class);
TimeTaken ttMock = mock(TimeTaken.class);
TimeTaken ttMock1 = mock(TimeTaken.class);
when(trans.start("Open Files", Env.SUB)).thenReturn(ttMock);
when(trans.start("Read", Env.SUB)).thenReturn(ttMock);
trans = mock(Trans.class);
TimeTaken ttMock = mock(TimeTaken.class);
TimeTaken ttMock1 = mock(TimeTaken.class);
when(trans.start("Open Files", Env.SUB)).thenReturn(ttMock);
when(trans.start("Read", Env.SUB)).thenReturn(ttMock);