Format all tests.

tests/lib/mirrors/accessor_cache_overflow_test.dart

Index: tests/lib/mirrors/accessor_cache_overflow_test.dart
diff --git a/tests/lib/mirrors/accessor_cache_overflow_test.dart b/tests/lib/mirrors/accessor_cache_overflow_test.dart
index 8ca6d986e5a26271fa68c34be6f9ea073a9047b8..9818f68091d78cee8673f0516cc31b400fad973f 100644
--- a/tests/lib/mirrors/accessor_cache_overflow_test.dart
+++ b/tests/lib/mirrors/accessor_cache_overflow_test.dart
@@ -15,8 +15,24 @@ import 'package:expect/expect.dart';
 const int optimizationThreshold = 20;
 
 main() {
-  var digits =
-      ['0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'];
+  var digits = [
+    '0',
+    '1',
+    '2',
+    '3',
+    '4',
+    '5',
+    '6',
+    '7',
+    '8',
+    '9',
+    'A',
+    'B',
+    'C',
+    'D',
+    'E',
+    'F'
+  ];
   var symbols = new List();
   for (var high in digits) {
     for (var low in digits) {