updates workflow

.github/workflows/nngeometry.yml

@@ -30,10 +30,7 @@ jobs:
           flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
           # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
           flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
-      - name: Test with pytest
-        run: |
-          pytest
-      - name: Generate coverage report
+      - name: Test and generate coverage report
         run: |
           pytest --cov=./ --cov-report=xml
       - name: Upload coverage to Codecov
@@ -42,7 +39,6 @@ jobs:
           directory: ./coverage/reports/
           env_vars: OS,PYTHON
           fail_ci_if_error: true
-          files: ./coverage1.xml,./coverage2.xml
           flags: unittests
           name: codecov-umbrella
           path_to_write_report: ./coverage/codecov_report.txt