Format all tests.

tests/language_strong/named_parameters_passing_null_test.dart

Index: tests/language_strong/named_parameters_passing_null_test.dart
diff --git a/tests/language_strong/named_parameters_passing_null_test.dart b/tests/language_strong/named_parameters_passing_null_test.dart
index aeb21cd37a3e2ad84104ebfa4b9506791bd278fe..ce7573deca3d4c51d99750d066f7339112a1a248 100644
--- a/tests/language_strong/named_parameters_passing_null_test.dart
+++ b/tests/language_strong/named_parameters_passing_null_test.dart
@@ -7,7 +7,6 @@ import "package:expect/expect.dart";
 // Dart test program for testing named parameters with 'null' passed as an
 // argument.
 
-
 class TestClass {
   TestClass();
 
@@ -21,7 +20,6 @@ class TestClass {
 num globalMethod([value = 300]) => value;
 num globalMethod2({value: 300}) => value;
 
-
 main() {
   var obj = new TestClass();