Cp xxx openport test (#2257)

.github/workflows/e2e-feature-branch.yml

@@ -22,6 +22,46 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: 18.16.1
+      - name: Find open port for ChromeBrowser on Linux/Mac
+        if: matrix.os != 'Windows'
+        id: find-port-unix
+        run: |
+            START_PORT=30000
+            END_PORT=40000
+            PORT=$START_PORT
+            RUNNER_OS="${{ matrix.os }}"
+            while [ $PORT -le $END_PORT ]; do
+              if [[ "$RUNNER_OS" == "Linux" ]]; then
+                nc -z 127.0.0.1 $PORT 2>/dev/null || break
+              elif [[ "$RUNNER_OS" == "macOS" ]]; then
+                nc -z -w1 127.0.0.1 $PORT 2>/dev/null || break
+              fi
+              PORT=$((PORT+1))
+            done
+            if [ $PORT -gt $END_PORT ]; then
+              echo "No available port found in the range $START_PORT-$END_PORT" >&2
+              exit 1
+            fi
+            echo "CHROME_OPEN_PORT=$PORT" >> $GITHUB_ENV
+      - name: Find open port for ChromeBrowser on Windows
+        if: matrix.os == 'Windows'
+        id: find-port-windows
+        run: |
+            $startPort = 30000
+            $endPort = 40000
+            $port = $startPort
+            while ($port -le $endPort) {
+              $isUsed = (Test-NetConnection -ComputerName 127.0.0.1 -Port $port).TcpTestSucceeded
+              if (-not $isUsed) {
+                break
+              }
+              $port++
+            }
+            if ($port -gt $endPort) {
+              Write-Error "No available port found in the range $startPort-$endPort"
+              exit 1
+            }
+            echo "CHROME_OPEN_PORT=$port" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8
       - name: Setup environment variables for Linux
         if: matrix.os == 'Linux'
         env: