Merge pull request #7992 from aabadie/pr/test_pexpect

tests/netdev_test/Makefile

tests/netdev_test/tests/01-run.py

tests/nhdp/Makefile

tests/nhdp/main.c

tests/nhdp/tests/01-run.py

tests/pipe/Makefile

tests/pipe/tests/01-run.py

tests/pkg_jsmn/Makefile

tests/pkg_jsmn/tests/01-run.py

tests/pkg_libcoap/Makefile

tests/pkg_libcoap/main.c

tests/pkg_libcoap/tests/01-run.py

tests/pkg_micro-ecc-with-hwrng/Makefile

tests/pkg_micro-ecc-with-hwrng/main.c

tests/pkg_micro-ecc-with-hwrng/tests/01-run.py

tests/pkg_micro-ecc/Makefile

tests/pkg_micro-ecc/main.c

tests/pkg_micro-ecc/tests/01-run.py

tests/pkg_minmea/Makefile

tests/pkg_minmea/main.c