067f45c7c7
The test `pkg/front_end/test/flow_analysis/type_promotion/switch.dart` wasn't running because it was declared in the wrong place (it should have been inside the `data` directory). Merge it with the existing test file `pkg/front_end/test/flow_analysis/type_promotion/data/switch.dart`. Change-Id: Idc98464d88001ce68274a29ed73d02f6c378abc8 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/115263 Reviewed-by: Konstantin Shcheglov <scheglov@google.com> Commit-Queue: Paul Berry <paulberry@google.com>