CI: reorganised tests so can run most without selenium installation

- even to run the filters on marks, you have to have the packages installed
- a subdir can be ignored more simply

.github/workflows/python-pycov-onPR.yml

@@ -27,7 +27,7 @@ jobs:
       # note this will run all non-visual tests, including the slow end2end ones
       # - this action is only on PR; the slow ones are skipped on push.
       run: |
-        pytest -m "not visual" --junitxml=pytest.xml --cov-report=term-missing:skip-covered --cov=src tests/ | tee pytest-coverage.txt
+        pytest -m "not visual" --ignore=tests/visual_selenium --junitxml=pytest.xml --cov-report=term-missing:skip-covered --cov=src tests/ | tee pytest-coverage.txt
         echo "working dir:" && pwd
         echo "files in cwd:" && ls -ltr
 

.github/workflows/python-pytest.yml

@@ -33,4 +33,4 @@ jobs:
     #    flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
     - name: Run quick tests with pytest
       run: |
-        pytest -m "not slow and not visual" --strict-markers
+        pytest -m "not slow and not visual" --strict-markers --ignore=tests/visual_selenium