fix syntax issue

.github/workflows/tests.yml

@@ -61,18 +61,15 @@ jobs:
           - os: ubuntu-latest
             name: pypy3-ubuntu
             python-version: pypy3
-            skip-coverage: true
 
           - os: windows-latest
             name: pypy3-windows
             python-version: pypy3
-            skip-coverage: true
 
            # https://github.com/pytest-dev/pytest-html/issues/482
 #          - os: macOS-latest
 #            name: pypy3-mac
 #            python-version: pypy3
-#            skip-coverage: true
 
           - os: ubuntu-latest
             name: devel-ubuntu
@@ -98,7 +95,7 @@ jobs:
         if: "! contains(matrix.name, 'pypy3')"
         run: python -m tox -e ${{ steps.split-matrix-name.outputs._0}}-cov
       - name: Test without coverage
-        if: "matrix.skip-coverage"
+        if: "contains(matrix.name, 'pypy3')"
         run: python -m tox -e ${{ steps.split-matrix-name.outputs._0}}
        # TODO: https://github.com/pytest-dev/pytest-html/issues/481
 #      - name: Upload coverage to codecov