Merge pull request #7906 from aabadie/pr/tests_pexpect_pthread

tests/pthread/Makefile

tests/pthread/main.c

tests/pthread/tests/01-run.py

tests/pthread_barrier/Makefile

tests/pthread_barrier/main.c

tests/pthread_barrier/tests/01-run.py

tests/pthread_cleanup/Makefile

tests/pthread_cleanup/main.c

tests/pthread_cleanup/tests/01-run.py

tests/pthread_cleanup/tests/01-test

tests/pthread_condition_variable/Makefile

tests/pthread_condition_variable/main.c

tests/pthread_condition_variable/tests/01-run.py

tests/pthread_cooperation/Makefile

tests/pthread_cooperation/main.c

tests/pthread_cooperation/tests/01-run.py

tests/pthread_rwlock/Makefile

tests/pthread_rwlock/main.c

tests/pthread_rwlock/tests/01-run.py

tests/pthread_tls/Makefile