chore: update testing harness pw version when rolling

Author: mxschmitt

build.sh

@@ -50,10 +50,15 @@ function roll_driver() {
   rm -rf "src/Playwright/Transport/Protocol/Generated/"
   node "$upstream_repo_path/utils/generate_dotnet_channels.js" "src/Playwright"
   echo "Formatting source code..."
-  dotnet format src/Playwright
+  # dotnet format src/Playwright
 
   download_driver
 
+  pushd src/Playwright.TestingHarnessTest/
+  echo "Updating driver version in tests..."
+  npm install "@playwright/test@${new_driver_version}"
+  popd
+
   echo "done"
 }
 

src/Playwright.TestingHarnessTest/package-lock.json

@@ -2,8 +2,8 @@
   "name": "playwright.testingharnesstest",
   "private": true,
   "devDependencies": {
+    "@playwright/test": "^1.50.1",
     "@types/node": "^22.12.0",
-    "fast-xml-parser": "^4.5.0",
-    "@playwright/test": "1.50.0"
+    "fast-xml-parser": "^4.5.0"
   }
 }