rnibReaderMock, rnibWriterMock, e2tInstancesManager := initE2TInstancesManagerTest(t)
e2tInstance1 := entities.NewE2TInstance(E2TAddress)
rnibReaderMock.On("GetE2TInstance", E2TAddress).Return(e2tInstance1, nil)
rnibWriterMock.On("SaveE2TInstance", mock.Anything).Return(common.NewInternalError(fmt.Errorf("for test")))
rnibReaderMock, rnibWriterMock, e2tInstancesManager := initE2TInstancesManagerTest(t)
e2tInstance1 := entities.NewE2TInstance(E2TAddress)
rnibReaderMock.On("GetE2TInstance", E2TAddress).Return(e2tInstance1, nil)
rnibWriterMock.On("SaveE2TInstance", mock.Anything).Return(common.NewInternalError(fmt.Errorf("for test")))