Bandage up the CI awaiting fix for #212

.github/workflows/ci.yaml

@@ -88,7 +88,11 @@ jobs:
             if [[ ${{ matrix.os }} == "macos-latest" ]]; then
               export PYOPENCL_TEST=port:pthread
             fi
-            python -m pytest --durations=10 --tb=native --junitxml=pytest.xml --doctest-modules -rxsw .
+            # One test at a time to address ballooning memory.
+            # https://github.com/illinois-ceesd/mirgecom/issues/212
+            for filename in test_*.py ; do
+              python -m pytest --durations=10 --tb=native --junitxml=pytest.xml --doctest-modules -rxsw ./"$filename"
+            done
 
     examples:
         name: Examples ${{ matrix.os }}

test/test_diffusion.py

@@ -238,7 +238,7 @@ def sym_diffusion(dim, sym_alpha, sym_u):
         (get_static_trig_var_diff(2), 50, 5.e-5, [8, 12, 16]),
         (get_static_trig_var_diff(3), 50, 5.e-5, [8, 10, 12]),
     ])
-def disable_test_diffusion_accuracy(actx_factory, problem, nsteps, dt, scales, order,
+def test_diffusion_accuracy(actx_factory, problem, nsteps, dt, scales, order,
             visualize=False):
     """
     Checks the accuracy of the diffusion operator by solving the heat equation for a