What happens if we turn off coverage

Author: JDBetteridge

.github/workflows/build.yml

@@ -89,7 +89,7 @@ jobs:
           . ../firedrake_venv/bin/activate
           python "$(which firedrake-clean)"
           python -m pip install \
-            pytest-cov pytest-timeout pytest-xdist pytest-timeout ipympl
+            pytest-xdist pytest-timeout ipympl
           python -m pip list
       - name: Test Firedrake
         run: |
@@ -99,7 +99,6 @@ jobs:
           python -m pytest -v tests/test_0init.py
           python -m pytest \
             --durations=200 \
-            --cov firedrake \
             --timeout=1800 \
             --timeout-method=thread \
             -o faulthandler_timeout=1860 \