Re-land "Format all multitests"

tests/language_strong/syncstar_yield_test.dart

Index: tests/language_strong/syncstar_yield_test.dart
diff --git a/tests/language_strong/syncstar_yield_test.dart b/tests/language_strong/syncstar_yield_test.dart
index 7122a8fb7d5b884cd86e28f0ad4804c959c44bfd..f8417fe402052ef3ccd9c410e5dfaa2b007f1d28 100644
--- a/tests/language_strong/syncstar_yield_test.dart
+++ b/tests/language_strong/syncstar_yield_test.dart
@@ -14,7 +14,8 @@ 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;
@@ -38,8 +39,8 @@ Iterable<int> foo3(int p) sync* {
 
 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