CI: Move out of the source root when running the tests to make sure we test the wheel installation and not the sources.

Author: scoder

.github/workflows/ci.yml

@@ -88,7 +88,7 @@ jobs:
     - name: Run tests
       run: |
         bash -c "python -m pip install dist/lupa-*.whl"
-        python -m lupa.tests.__main__
+        cd dist ; python -m lupa.tests.__main__
       continue-on-error: ${{ contains(matrix.python-version, 'pypy') }}
 
     - name: Upload wheels