[flutter/flutter] The XCUITest in flutter repo is not recognized as test files #109788
Description
This PR touches the test file, but it's not recognized as a test file.
Possible change is in https://github.com/flutter/cocoon/blob/82ee36f26294ac1c2ca4715c3dcbb2a8ba3dfb51/app_dart/lib/src/request_handlers/github_webhook.dart#L296