Re-land "Format all multitests"

tests/language/syncstar_yield_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.
 
 import "package:expect/expect.dart";
 
 Iterable<int> foo1() sync* {
   yield 1;
 }
 
 Iterable<int> foo2(p) sync* {
   bool t = false;
   yield null;
   while (true) {
-    a: for (int i = 0; i < p; i++) {
+    a:
+    for (int i = 0; i < p; i++) {
       if (!t) {
         for (int j = 0; j < 3; j++) {
           yield -1;
           t = true;
           break a;
         }
       }
       yield i;
     }
   }
 }
 
 // p is copied to all Iterators from the Iterable returned by foo3.
 // Also each iterator will have its own i.
 Iterable<int> foo3(int p) sync* {
   int i = 0;
   i++;
   p++;
   yield p + i;
 }
 
 main() {
   Expect.listEquals([1], foo1().toList());
-  Expect.listEquals([null, -1, 0, 1, 2, 3, 0, 1, 2, 3],
-      foo2(4).take(10).toList());
+  Expect.listEquals(
+      [null, -1, 0, 1, 2, 3, 0, 1, 2, 3], foo2(4).take(10).toList());
   Iterable t = foo3(0);
   Iterator it1 = t.iterator;
   Iterator it2 = t.iterator; //# copyParameters: ok
   it1.moveNext();
   it2.moveNext(); //# copyParameters: continued
   Expect.equals(2, it1.current);
   // TODO(sigurdm): Check up on the spec here.
   Expect.equals(2, it2.current); // //# copyParameters: continued
   Expect.isFalse(it1.moveNext());
   // Test that two `moveNext()` calls are fine.
   Expect.isFalse(it1.moveNext());
   Expect.isFalse(it2.moveNext()); //# copyParameters: continued
   Expect.isFalse(it2.moveNext()); //# copyParameters: continued
 }