Re-land "Format all multitests"

tests/language_strong/method_override2_test.dart

Index: tests/language_strong/method_override2_test.dart
diff --git a/tests/language_strong/method_override2_test.dart b/tests/language_strong/method_override2_test.dart
index f697efe7b8c99126a3a3b91b05f86a8c43fa2437..fb9e8f9166bc1a0cb6db9659e2c0022d0c3fdf3a 100644
--- a/tests/language_strong/method_override2_test.dart
+++ b/tests/language_strong/method_override2_test.dart
@@ -8,7 +8,7 @@ abstract class I {
   m({a, b});
 }
 
-abstract class J extends I { }
+abstract class J extends I {}
 
 abstract class K extends J {
   m({c, d}); // //# 00: static type warning
@@ -30,7 +30,6 @@ class D
   }
 }
 
-
 int main() {
   var c = new C();
   c.m(a: "hello", b: "world");
@@ -38,4 +37,3 @@ int main() {
   d.m(c: "hello", d: "world");
   print("${c is I} ${d is I} ${d is I} ${d is J}");
 }
-