Re-land "Format all multitests"

tests/language/if_null_assignment_static_test.dart

Index: tests/language/if_null_assignment_static_test.dart
diff --git a/tests/language/if_null_assignment_static_test.dart b/tests/language/if_null_assignment_static_test.dart
index 3aeeb9aaf8014d9fc4ec0ab22c625d98f56515a8..6f0858c329759f36bb011f103ffd4ef9b38cb27f 100644
--- a/tests/language/if_null_assignment_static_test.dart
+++ b/tests/language/if_null_assignment_static_test.dart
@@ -67,11 +67,15 @@ class ClassWithInstanceGetters {
 class DerivedClass extends ClassWithInstanceGetters {
   dynamic get a => bad();
 
-  void set a(dynamic value) { bad(); }
+  void set a(dynamic value) {
+    bad();
+  }
 
   dynamic get b => bad();
 
-  void set b(dynamic value) { bad(); }
+  void set b(dynamic value) {
+    bad();
+  }
 
   void derivedTest() {
     // The static type of super.v ??= e is the LUB of the static types of
@@ -94,7 +98,8 @@ class DerivedClass extends ClassWithInstanceGetters {
 main() {
   // Make sure the "none" test fails if "??=" is not implemented.  This makes
   // status files easier to maintain.
-  var _; _ ??= null;
+  var _;
+  _ ??= null;
 
   new DerivedClass().derivedTest();