GitHub Actions build: Add more tests

Re-enable some tests that were disabled in #6591.
Fixes #8818

Author: cclauss

.github/workflows/build.yml

@@ -24,9 +24,6 @@ jobs:
       - name: Run tests
         # See: #6591 for re-enabling tests on Python v3.11
         run: pytest
-            --ignore=computer_vision/cnn_classification.py
-            --ignore=machine_learning/lstm/lstm_prediction.py
-            --ignore=quantum/
             --ignore=project_euler/
             --ignore=scripts/validate_solutions.py
             --cov-report=term-missing:skip-covered