ci: collect test coverage on electron (#2335)

.github/workflows/build.yml

@@ -353,6 +353,29 @@ jobs:
         if: ${{ matrix.spec.test && matrix.spec.os == 'ubuntu-latest' }}
         run: xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24" -- yarn test
         working-directory: apps/electron
+        env:
+          COVERAGE: true
+
+      - name: Run desktop tests
+        if: ${{ matrix.spec.test && matrix.spec.os != 'ubuntu-latest' }}
+        run: yarn test
+        working-directory: apps/electron
+        env:
+          COVERAGE: true
+
+      - name: Collect code coverage report
+        if: ${{ matrix.spec.test }}
+        run: yarn exec nyc report -t .nyc_output --report-dir .coverage --reporter=lcov
+
+      - name: Upload e2e test coverage results
+        if: ${{ matrix.spec.test }}
+        uses: codecov/codecov-action@v3
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: ./.coverage/lcov.info
+          flags: e2etest-${{ matrix.spec.os }}-${{ matrix.spec.arch }}
+          name: affine
+          fail_ci_if_error: true
 
       - name: Run desktop tests
         if: ${{ matrix.spec.test && matrix.spec.os != 'ubuntu-latest' }}
@@ -363,7 +386,7 @@ jobs:
         if: ${{ failure() }}
         uses: actions/upload-artifact@v3
         with:
-          name: test-results-e2e-${{ matrix.shard }}
+          name: test-results-e2e-${{ matrix.spec.os }}-${{ matrix.spec.arch }}
           path: ./test-results
           if-no-files-found: ignore