ci: add fmemopen test and merge fopencookie and fmemopen to stdio test

CI test for fmemopen() function was added. The test was merged with
fopencookie interface test and merged into single test_stdio.

Signed-off-by: Michal Lenc <michallenc@seznam.cz>

boards/sim/sim/sim/configs/citest/defconfig

@@ -81,6 +81,7 @@ CONFIG_SYSTEM_DUMPSTACK=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_POPEN=y
 CONFIG_TESTING_CXXTEST=y
+CONFIG_TESTING_FMEMOPEN_TEST=y
 CONFIG_TESTING_FOPENCOOKIE_TEST=y
 CONFIG_TESTING_FSTEST=y
 CONFIG_TESTING_FSTEST_MOUNTPT="/tmp"

tools/ci/testrun/script/test_os/test_os.py

@@ -39,11 +39,13 @@ def test_getprime(p):
     assert ret == 0
 
 
-def test_fopencookie(p):
+def test_stdio(p):
     if p.board in do_not_support:
         pytest.skip("unsupported at {}".format(p.board))
     ret = p.sendCommand("fopencookie_test", "fopencokie tests were succesfull.")
     assert ret == 0
+    ret = p.sendCommand("fmemopen_test", "FAILED: 0")
+    assert ret == 0
 
 
 @pytest.mark.run(order=-2)