Increase Test Timeout to 15 Minutes (#232)

Converting logs on failure takes a long time.

.azure/templates/run-bvt.yml

@@ -35,7 +35,7 @@ jobs:
 
   - task: PowerShell@2
     displayName: Run BVTs
-    timeoutInMinutes: 10
+    timeoutInMinutes: 15
     continueOnError: true
     inputs:
       pwsh: true