Update testing.yml

Author: JerBouma

.github/workflows/testing.yml

@@ -23,9 +23,7 @@ jobs:
             - name: Install dependencies
               run: |
                     python -m pip install --upgrade pip
-                    pip install pytest
-                    if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
-                    
+                    pip install "pandas[excel]" financedatabase pytest 
             - name: Run tests
               run: |
-                    pytest tests/
+                    pytest tests/