ci: fix scanf CI test

Scanf CI test was not testing the correct behavior of scanf and just
checked whether program did not end with hard fault. This adds
functionality check and required configuration options to run scanf
test.

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

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

@@ -50,10 +50,12 @@ CONFIG_IOEXPANDER_DUMMY=y
 CONFIG_LIBCXX=y
 CONFIG_LIBC_ENVPATH=y
 CONFIG_LIBC_EXECFUNCS=y
+CONFIG_LIBC_FLOATINGPOINT=y
 CONFIG_LIBC_LOCALE_CATALOG=y
 CONFIG_LIBC_LOCALE_GETTEXT=y
 CONFIG_LIBC_MAX_EXITFUNS=1
 CONFIG_LIBC_NUMBERED_ARGS=y
+CONFIG_LIBC_SCANSET=y
 CONFIG_NET=y
 CONFIG_NET_USRSOCK=y
 CONFIG_NSH_ARCHINIT=y
@@ -85,3 +87,4 @@ CONFIG_TESTING_GETPRIME=y
 CONFIG_TESTING_MM=y
 CONFIG_TESTING_OSTEST=y
 CONFIG_TESTING_SCANFTEST=y
+CONFIG_TESTING_SCANFTEST_FNAME="/tmp/test.txt"

tools/ci/testrun/script/test_example/test_example.py

@@ -16,11 +16,8 @@ def test_helloxx(p):
 
 
 def test_pipe(p):
-    p.sendCommand("umount /tmp")
     ret = p.sendCommand("pipe", "redirect_reader: Returning success", 60)
     assert ret == 0
-    p.sendCommand("\n")
-    p.sendCommand("mount -t tmpfs /tmp")
 
 
 def test_popen(p):

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

@@ -28,7 +28,7 @@ def test_cxxtest(p):
 def test_scanftest(p):
     if p.board in do_not_support:
         pytest.skip("unsupported at {}".format(p.board))
-    ret = p.sendCommand("scanftest", "Test #25")
+    ret = p.sendCommand("scanftest", "FAILED: 0")
     assert ret == 0