fix typo in wirkflow

Author: solegalli

.github/workflows/test_package.yml

@@ -27,7 +27,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -r requirements.txt
-          pip install -r requirements_test.txt
+          pip install -r test_requirements.txt
       - name: Test with pytest
         run: |
           pip install pytest