selftests: tpm2: redirect python unittest logs to stdout

The python unittest module writes all its output to stderr, even when
the run is clean. Redirect its output logs to stdout.

Cc: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>

tools/testing/selftests/tpm2/test_async.sh

@@ -7,4 +7,4 @@ ksft_skip=4
 [ -e /dev/tpm0 ] || exit $ksft_skip
 [ -e /dev/tpmrm0 ] || exit $ksft_skip
 
-python3 -m unittest -v tpm2_tests.AsyncTest
+python3 -m unittest -v tpm2_tests.AsyncTest 2>&1

tools/testing/selftests/tpm2/test_smoke.sh

@@ -6,4 +6,4 @@ ksft_skip=4
 
 [ -e /dev/tpm0 ] || exit $ksft_skip
 
-python3 -m unittest -v tpm2_tests.SmokeTest
+python3 -m unittest -v tpm2_tests.SmokeTest 2>&1

tools/testing/selftests/tpm2/test_space.sh

@@ -6,4 +6,4 @@ ksft_skip=4
 
 [ -e /dev/tpmrm0 ] || exit $ksft_skip
 
-python3 -m unittest -v tpm2_tests.SpaceTest
+python3 -m unittest -v tpm2_tests.SpaceTest 2>&1