Transient error in mpirma `lpf_hook` test

[anyzelman]

After building latest master with functests:

$ ctest -vv -R mpirma_API.func_lpf_hook_tcp_timeout_mpi
Test project /home/yzelman/Documents/lpf/build
    Start 489: mpirma_API.func_lpf_hook_tcp_timeout_mpi
1/1 Test #489: mpirma_API.func_lpf_hook_tcp_timeout_mpi ...   Passed    1.29 sec

100% tests passed, 0 tests failed out of 1

Total Test time (real) =   1.40 sec
[yzelman@localhost:~/Documents/lpf/build]$ ctest -vv -R mpirma_API.func_lpf_hook_tcp_timeout_mpi
Test project /home/yzelman/Documents/lpf/build
    Start 489: mpirma_API.func_lpf_hook_tcp_timeout_mpi
1/1 Test #489: mpirma_API.func_lpf_hook_tcp_timeout_mpi ...***Failed    2.09 sec

0% tests passed, 1 tests failed out of 1

Total Test time (real) =   2.19 sec

The following tests FAILED:
	489 - mpirma_API.func_lpf_hook_tcp_timeout_mpi (Failed)
Errors while running CTest

The error log is the same:

/home/yzelman/Documents/lpf/tests/functional/func_lpf_hook_tcp_timeout.mpirma.cpp:48: Failure
Expected equality of these values:
  rc
    Which is: 0
  LPF_ERR_FATAL
    Which is: 2

(repeated many times)