Format all tests.

tests/language_strong/field_method_test.dart

Index: tests/language_strong/field_method_test.dart
diff --git a/tests/language_strong/field_method_test.dart b/tests/language_strong/field_method_test.dart
index 9471aafad1f60c391643aea27f2bcb01848758c5..012b60ac9a47c5c888232237d0819746bf6d7f44 100644
--- a/tests/language_strong/field_method_test.dart
+++ b/tests/language_strong/field_method_test.dart
@@ -6,10 +6,10 @@
 class A {
   var foo;
   A() {
-    foo = () { };
+    foo = () {};
   }
   void bar() {
-    foo();  // <= foo is a field, but can still be invoked without parenthesis.
+    foo(); // <= foo is a field, but can still be invoked without parenthesis.
   }
 }