Re-land "Format all multitests"

tests/language/if_null_assignment_static_test.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // Verify that the static type of a ??= b is the least upper bound of the
 // static types of a and b.
 
 import "package:expect/expect.dart";
 
 // Determine whether the VM is running in checked mode.
@@ skipping 49 matching lines @@
   void set a(A value) {}
 
   B get b => null;
 
   void set b(B value) {}
 }
 
 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
     // super.v and e.
     (super.a ??= new A()).a; //# 01: ok
     Expect.throws(() => (super.a ??= new A()).b, noMethod); //# 02: static type warning
     (super.a ??= new B()).a; //# 03: ok
     (super.a ??= new B()).b; //# 04: static type warning
     if (!checkedMode) {
       (super.b ??= new A()).a; //# 05: ok
       Expect.throws(() => (super.b ??= new A()).b, noMethod); //# 06: static type warning
 
       // Exactly the same static warnings that would be caused by super.v = e
       // are also generated in the case of super.v ??= e.
       super.b ??= new C(); //# 07: static type warning
     }
   }
 }
 
 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();
 
   // The static type of v ??= e is the LUB of the static types of v and e.
   (a ??= new A()).a; //# 08: ok
   Expect.throws(() => (a ??= new A()).b, noMethod); //# 09: static type warning
   (a ??= new B()).a; //# 10: ok
   (a ??= new B()).b; //# 11: static type warning
   if (!checkedMode) {
     (b ??= new A()).a; //# 12: ok
@@ skipping 57 matching lines @@
   (new ClassWithInstanceGetters()?.a ??= new B()).b; //# 39: static type warning
   if (!checkedMode) {
     (new ClassWithInstanceGetters()?.b ??= new A()).a; //# 40: ok
     Expect.throws(() => (new ClassWithInstanceGetters()?.b ??= new A()).b, noMethod); //# 41: static type warning
 
     // Exactly the same static warnings that would be caused by e1.v ??= e2 are
     // also generated in the case of e1?.v ??= e2.
     new ClassWithInstanceGetters()?.b ??= new C(); //# 42: static type warning
   }
 }