Test workaround (#887)

Workaround to make integration tests work

### Contribution Checklist
- [ ] The code builds clean without any errors or warnings
- [ ] The PR follows the [Contribution
Guidelines](https://github.com/microsoft/chat-copilot/blob/main/CONTRIBUTING.md)
and the [pre-submission formatting
script](https://github.com/microsoft/chat-copilot/blob/main/CONTRIBUTING.md#development-scripts)
raises no violations
- [ ] All unit tests pass, and I have added new tests where possible

.github/workflows/copilot-run-integration-tests.yml

@@ -40,8 +40,8 @@ jobs:
           dotnet user-secrets set "Authority" "https://login.microsoftonline.com/${{vars.APPLICATION_TENANT_ID}}"
           dotnet user-secrets set "ClientID" ${{vars.APPLICATION_CLIENT_ID}}
           dotnet user-secrets set "Scopes" "openid, offline_access, profile, api://${{vars.BACKEND_CLIENT_ID}}/access_as_user"
-          dotnet user-secrets set "Username" "$env:Username"
-          dotnet user-secrets set "Password" "$env:Password"
+          # dotnet user-secrets set "Username" "$env:Username"
+          # dotnet user-secrets set "Password" "$env:Password"
 
       - name: Run integration tests
         run: dotnet test --logger trx