Format all tests.

tests/language_strong/parse_closures_in_initializers_test.dart

Index: tests/language_strong/parse_closures_in_initializers_test.dart
diff --git a/tests/language_strong/parse_closures_in_initializers_test.dart b/tests/language_strong/parse_closures_in_initializers_test.dart
index 4da7e98e5bda537862fd1071a3c77a063c1bacc4..9fc7eda4cbf250dc6856029953c106a927b96ed0 100644
--- a/tests/language_strong/parse_closures_in_initializers_test.dart
+++ b/tests/language_strong/parse_closures_in_initializers_test.dart
@@ -13,7 +13,7 @@ class A {
   A.parenthesized(y) : x = (() => y);
   A.stringLiteral(y) : x = "**${() => y}--";
   A.listLiteral(y) : x = [() => y];
-  A.mapLiteral(y) : x = { "fun": () => y };
+  A.mapLiteral(y) : x = {"fun": () => y};
   A.arg(y) : x = foo(() => y);
 }