chore: try to fix unity 6 test

Author: ImmutableJeffrey

.github/workflows/test-build.yml

@@ -14,7 +14,8 @@ jobs:
   test:
     if: github.event.pull_request.head.repo.fork == false
     name: Test sample app 🛠️
-    runs-on: ubuntu-latest-8-cores
+    # Forcing windows-latest; UWB_WEBVIEW won’t be defined on Linux. Others stay on Ubuntu.
+    runs-on: ${{ matrix.targetPlatform == 'StandaloneWindows64' && 'windows-latest' || 'ubuntu-latest-8-cores' }}
 
     steps:
       - uses: actions/checkout@v3
@@ -47,7 +48,8 @@ jobs:
   test-unity6:
     if: github.event.pull_request.head.repo.fork == false
     name: Test Unity 6 sample app 🛠️
-    runs-on: ubuntu-latest-8-cores
+    # Forcing windows-latest; UWB_WEBVIEW won’t be defined on Linux. Others stay on Ubuntu.
+    runs-on: ${{ matrix.targetPlatform == 'StandaloneWindows64' && 'windows-latest' || 'ubuntu-latest-8-cores' }}
     steps:
       - uses: actions/checkout@v3
         with: