[Aorai] using LIBS directive of ptests

src/plugins/aorai/tests/ltl/goto.c

src/plugins/aorai/tests/ltl/test_boucle.c

src/plugins/aorai/tests/ltl/test_boucle1.c

src/plugins/aorai/tests/ltl/test_boucle2.c

src/plugins/aorai/tests/ltl/test_boucle3.c

src/plugins/aorai/tests/ltl/test_factorial.c

src/plugins/aorai/tests/ltl/test_recursion1.c

src/plugins/aorai/tests/ltl/test_recursion2.c

src/plugins/aorai/tests/ltl/test_switch2.c

src/plugins/aorai/tests/ltl/test_switch3.c

src/plugins/aorai/tests/ltl/test_switch3_et_recursion.c

src/plugins/aorai/tests/ltl/test_switch3_if.c

src/plugins/aorai/tests/ltl/test_switch3_return.c

src/plugins/aorai/tests/test_config

src/plugins/aorai/tests/test_config_prove.in

src/plugins/aorai/tests/ya/aorai_ptr_field.i

src/plugins/aorai/tests/ya/assigns.c

src/plugins/aorai/tests/ya/bts1289.i

src/plugins/aorai/tests/ya/declared_function.i

src/plugins/aorai/tests/ya/deterministic.i