build combined coverage report to reflect total line coverage across both test suites

Author: danielfromearth

.github/workflows/reusable_run_tests.yml

@@ -53,17 +53,25 @@ jobs:
 
       - name: Run unit tests with coverage
         run: |
-          poetry run pytest --python ${{ matrix.python-version }} -v -m "not integration" --cov=ncompare --cov-report=xml:build/reports/coverage${{ matrix.python-version }}.xml
+          poetry run pytest --python ${{ matrix.python-version }} -v -m "not integration" --cov=ncompare --cov-report=
 
       - name: Run integration tests with coverage
         env:
           EARTHDATA_USERNAME: ${{ secrets.EARTHDATA_USERNAME }}
           EARTHDATA_PASSWORD: ${{ secrets.EARTHDATA_PASSWORD }}
         run: |
-          poetry run pytest --python ${{ matrix.python-version }} -v -m integration --cov=ncompare --cov-report=xml:build/reports/coverage${{ matrix.python-version }}.xml
+          poetry run pytest --python ${{ matrix.python-version }} -v -m integration --cov=ncompare --cov-append --cov-report=
+
+      - name: Generate combined coverage report
+        run: |
+          poetry run coverage xml -o build/reports/coverage${{ matrix.python-version }}.xml
+          poetry run coverage report
 
       - name: Upload coverage reports to Codecov
         uses: codecov/codecov-action@v5
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
-          verbose: true
+          files: build/reports/coverage${{ matrix.python-version }}.xml
+          flags: python-${{ matrix.python-version }}
+          name: python-${{ matrix.python-version }}
+          verbose: true