Format all tests.

tests/language/vm/optimized_await_regress_test.dart

Index: tests/language/vm/optimized_await_regress_test.dart
diff --git a/tests/language/vm/optimized_await_regress_test.dart b/tests/language/vm/optimized_await_regress_test.dart
index b7bedb9b3e2403d469554d47a0b581475db640e4..68acad7699fd1366830ded1dbd6d75d43c43accf 100644
--- a/tests/language/vm/optimized_await_regress_test.dart
+++ b/tests/language/vm/optimized_await_regress_test.dart
@@ -14,8 +14,7 @@ import 'package:expect/expect.dart';
 import 'dart:async';
 
 check(value) {
-  try {
-  } finally {
+  try {} finally {
     return value;
   }
 }
@@ -23,7 +22,7 @@ check(value) {
 fail() {
   try {
     Expect.isTrue(false);
-  } finally { }
+  } finally {}
 }
 
 foo(i) async {
@@ -33,7 +32,6 @@ foo(i) async {
   return k;
 }
 
-
 main() {
   for (int i = 0; i < 20; i++) {
     foo(i).then((value) => Expect.equals(77, value));