Separate job for coverage reporting

.github/workflows/ci.yml

@@ -38,7 +38,22 @@ 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
+    - name: Run tests
+      run: python test.py
+
+  coverage:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.7
+      uses: actions/setup-python@v1
+      with:
+        python-version: 3.7
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install flake8 coverage coveralls rply
+    - name: Test coverage
       run: |
         coverage run test.py
         COVERALLS_REPO_TOKEN=${{ secrets.COVERALLS_REPO_TOKEN }} coveralls