doReturn(writeTx).when(chain).newWriteOnlyTransaction();
doNothing().when(writeTx).merge(eq(LogicalDatastoreType.OPERATIONAL), any(), any());
doReturn("Some object").when(writeTx).getIdentifier();
doReturn(writeTx).when(chain).newWriteOnlyTransaction();
doNothing().when(writeTx).merge(eq(LogicalDatastoreType.OPERATIONAL), any(), any());
doReturn("Some object").when(writeTx).getIdentifier();