serial -> ci_serial

.github/workflows/selfdrive_tests.yaml

@@ -173,8 +173,8 @@ jobs:
       timeout-minutes: 15
       run: |
         ${{ env.RUN }} "source selfdrive/test/setup_xvfb.sh && \
-                        $PYTEST --timeout 60 -m 'not slow and not serial' && \
-                        $PYTEST -n0 --timeout 60 -m 'serial' && \
+                        $PYTEST --timeout 60 -m 'not slow and not ci_serial' && \
+                        $PYTEST -n0 --timeout 60 -m 'ci_serial' && \
                         ./selfdrive/ui/tests/create_test_translations.sh && \
                         QT_QPA_PLATFORM=offscreen ./selfdrive/ui/tests/test_translations && \
                         pytest -n0 ./selfdrive/ui/tests/test_translations.py"

pyproject.toml

@@ -143,7 +143,8 @@ python_files = "test_*.py"
 markers = [
   "slow: tests that take awhile to run and can be skipped with -m 'not slow'",
   "tici: tests that are only meant to run on the C3/C3X",
-  "serial: tests that are run serially to avoid concurrent issues with pytest-xdist",
+  # TODO: remove serially-run tests in CI. Issue tracker: https://github.com/pytest-dev/pytest/issues/3216
+  "ci_serial: tests that are run serially to avoid concurrent issues with pytest-xdist in CI ubuntu runners",
 ]
 testpaths = [
   "common",

system/loggerd/tests/test_loggerd.py

@@ -137,7 +137,7 @@ def test_init_data_values(self):
       assert getattr(initData, initData_key) == v
       assert logged_params[param_key].decode() == v
 
-  @pytest.mark.serial
+  @pytest.mark.ci_serial
   @flaky(max_runs=3)
   def test_rotation(self):
     os.environ["LOGGERD_TEST"] = "1"