[CI] Ignore thermo warnings when testing examples

Author: speth

.github/workflows/main.yml

@@ -457,7 +457,6 @@ jobs:
       - name: Run the examples
         # See https://unix.stackexchange.com/a/392973 for an explanation of the -exec part.
         # Skip 1D_packed_bed.py due to difficulty installing scikits.odes.
-        # Skip continuous_reactor.py due to thermo warnings
         # Increase figure limit to handle flame_speed_convergence_analysis.py.
         run: |
           ln -s libcantera_shared.so build/lib/libcantera_shared.so.3
@@ -471,7 +470,8 @@ jobs:
           # The pyparsing ignore setting is due to a new warning introduced in Matplotlib==3.6.0
           # @todo: Remove the trapz-related ignore when dropping support for NumPy 1.x
           #     and replacing np.trapz with np.trapezoid
-          PYTHONWARNINGS: "error,ignore:warn_name_set_on_empty_Forward::pyparsing,ignore:datetime.datetime.utcfromtimestamp:DeprecationWarning:,ignore:`trapz`:DeprecationWarning"
+          # Ignore NasaPoly2 warnings from n-hexane-NUIG-2015.yaml
+          PYTHONWARNINGS: "error,ignore:warn_name_set_on_empty_Forward::pyparsing,ignore:datetime.datetime.utcfromtimestamp:DeprecationWarning:,ignore:`trapz`:DeprecationWarning,ignore:NasaPoly2:UserWarning:"
           MPLBACKEND: Agg
       - name: Save the results file for inspection
         uses: actions/upload-artifact@v4