Re-land "Format all multitests"

tests/lib/async/future_or_bad_type_test.dart

Index: tests/lib/async/future_or_bad_type_test.dart
diff --git a/tests/lib/async/future_or_bad_type_test.dart b/tests/lib/async/future_or_bad_type_test.dart
index 07cb7176db2018ed249f4889f46b09c48cab39c6..eb0933ae544374ebf7d2408e0c7939de677caf63 100644
--- a/tests/lib/async/future_or_bad_type_test.dart
+++ b/tests/lib/async/future_or_bad_type_test.dart
@@ -13,8 +13,7 @@ class A
     extends FutureOr<String> // //# extends: compile-time error
     extends Object with FutureOr<bool> // //# with: compile-time error
     implements FutureOr<int> // //# implements: compile-time error
-{
-}
+{}
 
 main() {
   // FutureOr<T> should be treated like `dynamic`. Dynamically the `T` is