Format all tests.

tests/language_strong/regress_21998_3_test.dart

Index: tests/language_strong/regress_21998_3_test.dart
diff --git a/tests/language_strong/regress_21998_3_test.dart b/tests/language_strong/regress_21998_3_test.dart
index 92a4ae12b88b5615252e90ef4e2a3395a3aff2ad..2ed63dc94f05db24549edcae0c62d3ed439996fd 100644
--- a/tests/language_strong/regress_21998_3_test.dart
+++ b/tests/language_strong/regress_21998_3_test.dart
@@ -15,6 +15,7 @@ class C {
   max(a) => a;
 
   m() {
-    return max(Math.max/*<num>*/(lib2_max(1, 2), lib1.max('a', 'b', 'cd').length));
+    return max(
+        Math.max/*<num>*/(lib2_max(1, 2), lib1.max('a', 'b', 'cd').length));
   }
-}
+}