Set up tests to ignore benchmark code.

.github/workflows/tests.yaml

@@ -34,7 +34,7 @@ jobs:
       #----------------------------------------------
       - name: Run tests
         run: |
-          pytest -v --doctest-modules --cov=src --junitxml=junit.xml -s --ignore=performance_tests
+          pytest -v --doctest-modules --cov=src --junitxml=junit.xml -s --ignore=performance_tests --ignore=benchmarks
 
       - name: Upload coverage to Codecov
         uses: codecov/[email protected]