Format all tests.

tests/language_strong/override_field_method2_negative_test.dart

Index: tests/language_strong/override_field_method2_negative_test.dart
diff --git a/tests/language_strong/override_field_method2_negative_test.dart b/tests/language_strong/override_field_method2_negative_test.dart
index 7ca2a4c8512168e99db52f85671dfe43b0562dac..c695fb330afa55bda93b6880ee63baf65505ac37 100644
--- a/tests/language_strong/override_field_method2_negative_test.dart
+++ b/tests/language_strong/override_field_method2_negative_test.dart
@@ -4,11 +4,13 @@
 // Dart test error for overriding getter with method.
 
 class A {
-  get foo { return 123; }
+  get foo {
+    return 123;
+  }
 }
 
 class B extends A {
-  foo() {}  // method cannot override getter.
+  foo() {} // method cannot override getter.
 }
 
 class OverrideFieldMethod2NegativeTest {