Format all tests.

tests/language_strong/super_field_test.dart

Index: tests/language_strong/super_field_test.dart
diff --git a/tests/language_strong/super_field_test.dart b/tests/language_strong/super_field_test.dart
index 15b46711201bae098be4d21fa13eda10da6fe4d8..aa56eb237a59e487b22d6b67cd59f03e16590006 100644
--- a/tests/language_strong/super_field_test.dart
+++ b/tests/language_strong/super_field_test.dart
@@ -13,9 +13,10 @@ class A {
   String greeting() {
     return "Gruezi";
   }
-  @virtual String city;
-}
 
+  @virtual
+  String city;
+}
 
 class B extends A {
   B() : super() {}
@@ -24,18 +25,17 @@ class B extends A {
   }
 }
 
-
 class C extends B {
   C() : super() {}
   String greeting() {
     return "Servus " + super.greeting();
   }
+
   String get city {
     return "Basel " + super.city;
   }
 }
 
-
 class SuperFieldTest {
   static testMain() {
     A a = new A();