Fix coverage build for jammy (#116)

* Add more debug output

* Activate venv once again

.github/workflows/reusable-build-coverage.yml

@@ -101,13 +101,27 @@ jobs:
               }
             }
           colcon-mixin-repository: https://raw.githubusercontent.com/colcon/colcon-mixin-repository/master/index.yaml
+      - name: Test coverage tools
+        if: ${{ inputs.debug }}
+        run: |
+          pwd
+          which coverage || true
+          python3 -m coverage --version || true
+          coverage --version || true
+          source ~/.venv/bin/activate || true
+          python3 -m coverage --version || true
+          coverage --version || true
+          which coverage || true
+          ls ~/.venv/bin || true
       - name: Search for .coverage files and convert them
+        continue-on-error: true
         # TODO(anyone): remove this once codecov-action does not throw
         # "coverage.py is not installed or can't be found."
         # note: reports from pytest-cov are already in the correct format
         run: |
           find ros_ws -name total_coverage.info
           find ros_ws -name .coverage
+          source ~/.venv/bin/activate
           for coverage_file in $(find ros_ws -name .coverage); do
             output_file="${coverage_file%/.coverage}/coverage.xml"
             if [ ! -f "$output_file" ]; then