Format all tests.

tests/language_strong/function_field_test.dart

Index: tests/language_strong/function_field_test.dart
diff --git a/tests/language_strong/function_field_test.dart b/tests/language_strong/function_field_test.dart
index 7b0966e5d3f2faf7cbf527e82068823ae85fd9c6..42f6bad81d42c2b655ff9a496025e178bfd5d1c1 100644
--- a/tests/language_strong/function_field_test.dart
+++ b/tests/language_strong/function_field_test.dart
@@ -13,6 +13,8 @@ class Wrapper {
 
 main() {
   Wrapper w = new Wrapper();
-  w.f = () {return 42;};
+  w.f = () {
+    return 42;
+  };
   Expect.equals(42, w.f());
 }