Re-land "Format all multitests"

tests/language_strong/constructor_return_test.dart

Index: tests/language_strong/constructor_return_test.dart
diff --git a/tests/language_strong/constructor_return_test.dart b/tests/language_strong/constructor_return_test.dart
index c971ed3f278030406a2e8ea6bff9a4d086df064e..2f03e58248f870e786acde839e093bc412190fbe 100644
--- a/tests/language_strong/constructor_return_test.dart
+++ b/tests/language_strong/constructor_return_test.dart
@@ -8,7 +8,9 @@ import "package:expect/expect.dart";
 // statements in the form 'return;'.
 class A {
   int x;
-  A(this.x) { return; }
+  A(this.x) {
+    return;
+  }
   A.test1(this.x) {
     return this; // //# 01: compile-time error
   }