Format all tests.

tests/language/instance_method_negative_test.dart

Index: tests/language/instance_method_negative_test.dart
diff --git a/tests/language/instance_method_negative_test.dart b/tests/language/instance_method_negative_test.dart
index 34d4e90e6eff4f93dec3b936ca1d72ae7f35948f..ec9eaad0570f8d15722cba8f03265a64d717b7d3 100644
--- a/tests/language/instance_method_negative_test.dart
+++ b/tests/language/instance_method_negative_test.dart
@@ -5,13 +5,13 @@
 // Dart test to check that we correctly flag the use of an
 // instance method from a static method.
 
-
 class Goofy {
   String instMethod() {
     return "woof";
   }
+
   static String bark() {
-    return instMethod();  // Should get error here.
+    return instMethod(); // Should get error here.
   }
 }
 
@@ -21,7 +21,6 @@ class InstanceMethodNegativeTest {
   }
 }
 
-
 main() {
   InstanceMethodNegativeTest.testMain();
 }