create unit-test workflow

.github/workflows/pytest.yml

@@ -23,11 +23,11 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install poetry
-        poetry install  --with dev # Install dependencies from pyproject.toml
+        poetry install --with dev  # Install dependencies from pyproject.toml, including dev dependencies
 
     - name: Run tests
       run: |
-        pytest unit_tests/ --maxfail=5 --disable-warnings  # Run tests from unit_tests/ directory
+        poetry run pytest unit_tests/ --maxfail=5 --disable-warnings  # Run tests inside Poetry's virtual environment
 
     - name: Publish test results
       if: failure()