Revert "Combine all try workflows (#30096)" (#30149)

This reverts commit fed3491f23.

.github/workflows/mac-wpt.yml

@@ -45,23 +45,20 @@ jobs:
         run: python3 ./mach smoketest --release
       - name: Run tests
         run: |
-          mkdir macos-${{ inputs.layout }}
           python3 ./mach test-wpt --with-${{ inputs.layout }} \
             --release --processes $(sysctl -n hw.logicalcpu) --timeout-multiplier 8 \
             --total-chunks ${{ env.max_chunk_id }} --this-chunk ${{ matrix.chunk_id }} \
             --log-raw test-wpt.${{ matrix.chunk_id }}.log \
-            --log-raw-unexpected macos-${{ inputs.layout }}/unexpected-test-wpt.${{ matrix.chunk_id }}.log \
-            --filter-intermittents macos-${{ inputs.layout }}/filtered-test-wpt.${{ matrix.chunk_id }}.json
+            --log-raw-unexpected unexpected-test-wpt.${{ matrix.chunk_id }}.log \
+            --filter-intermittents filtered-test-wpt.${{ matrix.chunk_id }}.json
       - name: Archive filtered results
         uses: actions/upload-artifact@v3
         if: always()
         with:
           name: wpt-filtered-results-mac-${{ inputs.layout }}
-          # The wildcard here ensures that the relative path is preserved in the archive:
-          # See https://github.com/actions/upload-artifact/issues/174
           path: |
-            ./*macos-${{ inputs.layout }}/filtered-test-wpt.${{ matrix.chunk_id }}.json
-            ./*macos-${{ inputs.layout }}/unexpected-test-wpt.${{ matrix.chunk_id }}.log
+            filtered-test-wpt.${{ matrix.chunk_id }}.json
+            unexpected-test-wpt.${{ matrix.chunk_id }}.log
       - name: Archive logs
         uses: actions/upload-artifact@v3
         if: failure()
@@ -69,4 +66,33 @@ jobs:
           name: wpt-logs-mac-${{ inputs.layout }}
           path: |
             test-wpt.${{ matrix.chunk_id }}.log
-            filtered-wpt-results.${{ matrix.chunk_id }}.json
+            filtered-wpt-results.${{ matrix.chunk_id }}.json
+
+  report-test-results:
+    name: Reporting test results
+    runs-on: ubuntu-latest
+    if: ${{ always() && !cancelled() }}
+    needs: [ mac-wpt ]
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 2
+      - uses: actions/download-artifact@v3
+        with:
+          name: wpt-filtered-results-mac-${{ inputs.layout }}
+          path: wpt-filtered-results-mac
+      - name: Create aggregated unexpected results
+        run: cat wpt-filtered-results-mac/*.log > unexpected-test-wpt.log
+      - name: Archive aggregate results
+        uses: actions/upload-artifact@v3
+        with:
+          name: wpt-filtered-results-mac-${{ inputs.layout }}
+          path: |
+            unexpected-test-wpt.log
+      - name: Comment on PR with results
+        run: etc/ci/report_aggregated_expected_results.py --tag="mac-wpt-${{ inputs.layout }}"
+          wpt-filtered-results-mac/*.json
+        env:
+          GITHUB_CONTEXT: ${{ toJson(github) }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          RESULTS: ${{ toJson(needs.*.result) }}