wip: limit concurrency

Author: Julusian

.github/workflows/playwright.yml

@@ -49,21 +49,38 @@ jobs:
           # build-name: BUILD_INFO
           # project-name: REPO_NAME
 
-      # - name: 'BrowserStackLocal Setup'
-      #   uses: 'browserstack/github-actions/[email protected]'
-      #   with:
-      #     local-testing: start
-      #     local-identifier: random
       - name: Run Playwright tests
         run: |
           cd playwright
           yarn test:ci
 
-      # - name: 'BrowserStackLocal Setup'
-      #   uses: 'browserstack/github-actions/[email protected]'
-      #   with:
-      #     local-testing: stop
-      #     local-identifier: $BROWSERSTACK_LOCAL_IDENTIFIER
+          SRC=browserstack.yml
+          TMP=.tmp-browserstack.yml
+
+          count=$(yq eval '.platforms | length' "$SRC")
+          if [ "$count" -eq 0 ]; then
+            echo "No platforms found in $SRC"
+            exit 1
+          fi
+
+          mv $SRC $TMP
+
+          for i in $(seq 0 $((count - 1))); do
+            echo "=== Running platform #$((i+1))/$count ==="
+            # produce a temp config that contains only the i-th platform and a shared build identifier
+            yq eval \
+              '.platforms = [ .platforms['"$i"'] ] |
+              "$TMP" > "$SRC"
+
+            # Run the BrowserStack runner for that single-platform config.
+            yarn test:ci
+
+            # If you control test worker concurrency via Playwright instead:
+            # cd playwright
+            # yarn test:ci --workers=1
+
+            echo "=== Finished platform #$((i+1)) ==="
+          done
 
       - uses: actions/upload-artifact@v4
         if: ${{ !cancelled() }}