Format all tests.

tests/language_strong/regress_21998_4_test.dart

Index: tests/language_strong/regress_21998_4_test.dart
diff --git a/tests/language_strong/regress_21998_4_test.dart b/tests/language_strong/regress_21998_4_test.dart
index 5de6774ab8f9a9c462c8699cae686e4a1301dd9e..2fa678cd5971241d9616aec5b966cb4840be4ad0 100644
--- a/tests/language_strong/regress_21998_4_test.dart
+++ b/tests/language_strong/regress_21998_4_test.dart
@@ -17,6 +17,6 @@ class C {
 
   m() {
     return max(Math.max/*<num>*/(
-               lib3_max(0, lib2_max(1, 2)), lib1.max('a', 'b', 'cd').length));
+        lib3_max(0, lib2_max(1, 2)), lib1.max('a', 'b', 'cd').length));
   }
-}
+}