ci: refactor e2e job structure to include shard results check

Author: jikkai

.github/workflows/e2e.yml

@@ -18,8 +18,8 @@ env:
     TURBO_TELEMETRY_DISABLED: '1'
 
 jobs:
-    e2e-test:
-        name: e2e-test (${{ matrix.shard-index }}/${{ matrix.shard-total }})
+    e2e-shard:
+        name: e2e-test shard (${{ matrix.shard-index }}/${{ matrix.shard-total }})
         runs-on: ubuntu-latest
 
         strategy:
@@ -77,3 +77,19 @@ jobs:
                   name: snapshots-${{ matrix.shard-index }}-of-${{ matrix.shard-total }}
                   path: test-results/*.heapsnapshot
                   retention-days: 3
+
+    e2e-test:
+        name: e2e-test
+        runs-on: ubuntu-latest
+        needs: e2e-shard
+        if: ${{ always() }}
+
+        steps:
+            - name: Check shard results
+              run: |
+                  if [ "${{ needs.e2e-shard.result }}" != "success" ]; then
+                      echo "One or more e2e shards failed: ${{ needs.e2e-shard.result }}"
+                      exit 1
+                  fi
+
+                  echo "All e2e shards passed"