In<Line1> in2 = flow.createIn("in2", new Input(format, "input", "input-2.txt"));
Out<Line1> out1 = flow.createOut("out1", new Output(format, "conflict", "output.txt"));
Out<Line1> out2 = flow.createOut("out2", new Output(format, "conflict", "output.txt"));
FlowDescription desc = new DualIdentityFlow<Line1, Line1>(in1, in2, out1, out2);
JobflowInfo info = compile(flow, desc);
assertThat(info, is(nullValue()));
}