fix test file

Author: esoteric-ephemera

.github/workflows/testing.yml

@@ -103,7 +103,8 @@ jobs:
       - name: Test with pytest
         if: always() # run tests even if linting failed
         shell: bash -l {0}
-        env: EMMET_USE_EMMET_MODELS=true
+        env:
+          EMMET_USE_EMMET_MODELS: true
         run: python${{ matrix.python-version }} -m pytest -n auto --cov=emmet --cov-report=xml ${{ matrix.package }}/tests
 
       - uses: codecov/[email protected]