reverted logic from Olivier to remove mdsplus backend testing when not available

Author: prasad-sawantdesai

.github/workflows/test_with_pytest.yml

@@ -34,7 +34,7 @@ jobs:
       - name: Run tests
         run: |
           source venv/bin/activate
-          python -m pytest -n=auto --memory --ascii --hdf5 --cov=imas --cov-report=term-missing --cov-report=xml:coverage.xml --cov-report=html:htmlcov --junit-xml=junit.xml
+          python -m pytest -n=auto --cov=imas --cov-report=term-missing --cov-report=xml:coverage.xml --cov-report=html:htmlcov --junit-xml=junit.xml
 
       - name: Upload coverage report ${{ matrix.python-version }}
         uses: actions/upload-artifact@v4

conftest.py

@@ -58,7 +58,13 @@ def pytest_addoption(parser):
     "hdf5": HDF5_BACKEND,
     "mdsplus": MDSPLUS_BACKEND,
 }
-
+try:
+    from imas.db_entry import DBEntry
+    from imas_core.exception import ImasCoreBackendException
+    DBEntry("imas:mdsplus?path=dummy","r")
+except ImasCoreBackendException as iex:
+    if "not available" in str(iex.message):
+        _BACKENDS.pop("mdsplus")
 
 try:
     import pytest_xdist