Update test-cm.yml

.github/workflows/test-cm.yml

@@ -63,7 +63,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         python -m pip install flake8 pytest
-        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+        pip install -r requirements.txt
         python -m pip install --ignore-installed --verbose pip setuptools
         cd cm
         python setup.py install