Format all tests.

tests/language_strong/throw4_test.dart

Index: tests/language_strong/throw4_test.dart
diff --git a/tests/language_strong/throw4_test.dart b/tests/language_strong/throw4_test.dart
index 5b82a80c25803eb612af0202cfe66cf4c3d3c878..6dd2f74b3410631e7d3fbe69d9d0c330862c5453 100644
--- a/tests/language_strong/throw4_test.dart
+++ b/tests/language_strong/throw4_test.dart
@@ -21,7 +21,7 @@ class MyException3 {
 }
 
 class Helper {
-  Helper() : i = 0 { }
+  Helper() : i = 0 {}
 
   int f1() {
     int j = 0;
@@ -65,6 +65,7 @@ class Helper {
     }
     return i;
   }
+
   int i;
 }