Re-land "Format all multitests"

tests/language/sync_generator2_test.dart

Index: tests/language/sync_generator2_test.dart
diff --git a/tests/language/sync_generator2_test.dart b/tests/language/sync_generator2_test.dart
index f4241b3419074352c57443c2ed205d01e2c49c50..2dbf808c6874307c0e30d9855ece31957ae78f96 100644
--- a/tests/language/sync_generator2_test.dart
+++ b/tests/language/sync_generator2_test.dart
@@ -42,11 +42,11 @@ set test04(a) sync* { print(a); } // //# 41: compile-time error
 
 class K {
   K() sync* {}; // //# 50: compile-time error
-  get nix sync* { }
+  get nix sync* {}
   get garnix sync* => null; // //# 51: compile-time error
   set etwas(var z) sync* { } // //# 52: compile-time error
   sync() sync* {
-    yield sync;  // Yields a tear-off of the sync() method.
+    yield sync; // Yields a tear-off of the sync() method.
   }
 }
 
@@ -65,4 +65,4 @@ main() {
   print(x.sync().toList());
   Expect.equals(1, x.sync().length);
 //  Expect.isTrue(x.sync().single is Function);
-}
+}