Remove a soloTest annotation
Remove a soloTest annotation

Change-Id: I3ad575ad47083b2464bb0b8553fb2479c155d7aa
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/206104
Auto-Submit: Brian Wilkerson <1f7641b6b14c52b9163524ab8d9aabff80176f21@google.com>
Commit-Queue: Konstantin Shcheglov <09e4d7516628963212bf4aace2f97603d2b706e4@google.com>
Reviewed-by: Konstantin Shcheglov <09e4d7516628963212bf4aace2f97603d2b706e4@google.com>

dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk