Fix name of async_star/pause_test2.dart.

Change-Id: I6e3e975a1181628c17ff972397c536b35ded1b2a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/200563
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Lasse R.H. Nielsen <lrn@google.com>
Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
diff --git a/tests/language/async_star/pause_test2.dart b/tests/language/async_star/pause2_test.dart
similarity index 100%
rename from tests/language/async_star/pause_test2.dart
rename to tests/language/async_star/pause2_test.dart
diff --git a/tests/language_2/async_star/pause_test2.dart b/tests/language_2/async_star/pause2_test.dart
similarity index 100%
rename from tests/language_2/async_star/pause_test2.dart
rename to tests/language_2/async_star/pause2_test.dart