Format all tests.

tests/language_strong/initializing_formal_final_test.dart

Index: tests/language_strong/initializing_formal_final_test.dart
diff --git a/tests/language_strong/initializing_formal_final_test.dart b/tests/language_strong/initializing_formal_final_test.dart
index 3df4ba521c2db29e46d7a860bec5e84845546805..30f99f3e0e92825cf63d780b80fd0e53e3759a8d 100644
--- a/tests/language_strong/initializing_formal_final_test.dart
+++ b/tests/language_strong/initializing_formal_final_test.dart
@@ -11,7 +11,10 @@ class A {
   var x, y;
   // This should cause a warning because `x` is final when
   // accessed as an initializing formal.
-  A(this.x) : y = (() { x = 3; });
+  A(this.x)
+      : y = (() {
+          x = 3;
+        });
 }
 
 main() {