2e0875bada
Change the `test_runner` package's use of `DiagnosticCode.name` to `DiagnosticCode.lowerCaseName`. There is no functional change since all diagnostic codes generated by the analyzer are already in lower case. This helps pave the way for eventually deprecating and removing `DiagnosticCode.name`, which will help ensure that analyzer clients treat diagnostic codes in a case-insensitive fashion. Change-Id: I6a6a69644898dff67a1f53dbe8c8a8cb757d2c96 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/468121 Commit-Queue: Paul Berry <paulberry@google.com> Reviewed-by: Bob Nystrom <rnystrom@google.com>