selftests: tc-testing: return fail if a test fails in setup/teardown

As of today tests throwing exceptions in setup/teardown phase are
treated as skipped but they should really be failures.
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Reviewed-by: Davide Caratti <dcaratti@redhat.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Davide Caratti <dcaratti@redhat.com>
Link: https://lore.kernel.org/r/20240124181933.75724-6-pctammela@mojatatu.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

tools/testing/selftests/tc-testing/tdc.py

@@ -541,7 +541,7 @@ def test_runner(pm, args, filtered_tests):
             message = pmtf.message
             output = pmtf.output
             res = TestResult(tidx['id'], tidx['name'])
-            res.set_result(ResultState.skip)
+            res.set_result(ResultState.fail)
             res.set_errormsg(pmtf.message)
             res.set_failmsg(pmtf.output)
             tsr.add_resultdata(res)