Format all tests.

tests/language/try_catch3_test.dart

Index: tests/language/try_catch3_test.dart
diff --git a/tests/language/try_catch3_test.dart b/tests/language/try_catch3_test.dart
index a022965aedd735a33380c7edeb92f814d9397d6a..6cff3f82e0f130fa1032c572b101cf0687d2333b 100644
--- a/tests/language/try_catch3_test.dart
+++ b/tests/language/try_catch3_test.dart
@@ -13,19 +13,25 @@ abstract class TestException {
 
 class MyException implements TestException {
   const MyException([String message = ""]) : this._message = message;
-  String getMessage() { return _message; }
+  String getMessage() {
+    return _message;
+  }
+
   final String _message;
 }
 
 class MyParameterizedException<U, V> implements TestException {
   const MyParameterizedException([String message = ""])
       : this._message = message;
-  String getMessage() { return _message; }
+  String getMessage() {
+    return _message;
+  }
+
   final String _message;
 }
 
 class StackTrace {
-  StackTrace() { }
+  StackTrace() {}
   printStackTrace(TestException ex) {
     print(ex);
   }