Format all tests.

tests/language/try_catch2_test.dart

Index: tests/language/try_catch2_test.dart
diff --git a/tests/language/try_catch2_test.dart b/tests/language/try_catch2_test.dart
index 9ccc5c785f2e7df7eaffc0cd4e546f25c6f603cd..8da606c6bac81426c494108d8b135b1782604b84 100644
--- a/tests/language/try_catch2_test.dart
+++ b/tests/language/try_catch2_test.dart
@@ -13,12 +13,15 @@ abstract class TestException {
 
 class MyException implements TestException {
   const MyException([String message = ""]) : message_ = message;
-  String getMessage() { return message_; }
+  String getMessage() {
+    return message_;
+  }
+
   final String message_;
 }
 
 class StackTrace {
-  StackTrace() { }
+  StackTrace() {}
 }
 
 class Helper {