Update main.yml

.github/workflows/main.yml

@@ -14,5 +14,7 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
+      - name: Install Dependencies
+        run: pip install ".[test]"
       - name: Test on Python ${{ matrix.python-version }}
         run: python -m unittest discover tests --verbose