CI: fix misra mutation tests (#1934)

* fix that

* skip build, install first

* Revert "skip build, install first"

This reverts commit 01efdb7.

* prune

.github/workflows/test.yaml

@@ -104,7 +104,7 @@ jobs:
         run: ${{ env.RUN }} "cd tests/misra && ./test_misra.sh"
       - name: MISRA mutation tests
         timeout-minutes: 4
-        run: ${{ env.RUN }} "cd tests/misra && ./test_mutation.py"
+        run: ${{ env.RUN }} "cd tests/misra && pytest -n8 test_mutation.py"
 
   python_linter:
     name: python linter

pyproject.toml

@@ -8,5 +8,8 @@ select = ["E", "F", "W", "PIE", "C4", "ISC", "RUF100", "A"]
 ignore = ["W292", "E741", "E402", "C408", "ISC003"]
 flake8-implicit-str-concat.allow-multiline=false
 
+[tool.ruff.lint.flake8-tidy-imports.banned-api]
+"pytest.main".msg = "pytest.main requires special handling that is easy to mess up!"
+
 [tool.pytest.ini_options]
 addopts = "-n auto"

tests/misra/install.sh

@@ -11,6 +11,7 @@ fi
 cd $CPPCHECK_DIR
 
 VERS="2.13.4"
+git remote prune origin
 git fetch --all --tags
 git checkout $VERS
 git cherry-pick -n f6b538e855f0bacea33c4074664628024ef39dc6 b11b42087ff29569bc3740f5aa07eb6616ea4f63

tests/misra/test_mutation.py

@@ -79,6 +79,3 @@ def test_misra_mutation(fn, patch, should_fail):
     r = subprocess.run("tests/misra/test_misra.sh", cwd=tmp, shell=True)
     failed = r.returncode != 0
     assert failed == should_fail
-
-if __name__ == "__main__":
-  pytest.main([__file__, "-n 8"])