T0: test1(in, out, out)
T0b: test1(in, out, out)
T1: test1(in, in, out)
T2: test2(di, uo)
T3: test2(in, out)
T4: test2(in, out)
T5: test3(in(any), out)
T6: test3(out(any), out)
T7: test4(in, out, out)
T8: 
T9: test4(in, out, out)
T10: 
T11: test4(out, in, out)
T12: test5(in(a), in(ab), out)
T13: test5(in(a), in(ab), out)
T14: test5(in(ab), in(b), out)