Format all tests.

tests/language/generic_list_checked_test.dart

Index: tests/language/generic_list_checked_test.dart
diff --git a/tests/language/generic_list_checked_test.dart b/tests/language/generic_list_checked_test.dart
index fcff24bc2e8e906492bf4e10e4825d337d199018..aa7d77936a9b25410a6a6fd56e5e40134ad52b48 100644
--- a/tests/language/generic_list_checked_test.dart
+++ b/tests/language/generic_list_checked_test.dart
@@ -15,6 +15,8 @@ bool inCheckedMode() {
 
 main() {
   if (inCheckedMode()) {
-    Expect.throws(() { List<int> t = new List<String>(); });
+    Expect.throws(() {
+      List<int> t = new List<String>();
+    });
   }
 }