Format all tests.

tests/language_strong/private3.dart

Index: tests/language_strong/private3.dart
diff --git a/tests/language_strong/private3.dart b/tests/language_strong/private3.dart
index d058fc8a151178fc60078207aca50a513e34489a..4606870041f620565169477ff8d014a652145690 100644
--- a/tests/language_strong/private3.dart
+++ b/tests/language_strong/private3.dart
@@ -20,14 +20,18 @@ class AImported extends AExposed {
 
 class C2 extends C1 {
   int _field1;
-  C2() : super(), _field1 = 99;
+  C2()
+      : super(),
+        _field1 = 99;
 
   field1b() => _field1;
 }
 
 class C4 extends C3 {
   int _field2;
-  C4() : super(), _field2 = 1024;
+  C4()
+      : super(),
+        _field2 = 1024;
 
   field2b() => _field2;
   field1d() => _field1;