Re-land "Format all multitests"

tests/language/factory2_test.dart

Index: tests/language/factory2_test.dart
diff --git a/tests/language/factory2_test.dart b/tests/language/factory2_test.dart
index 85985a4174d4cce13a4f75effd65289c7353dbd5..af6c6b630f7d3e937ee21ba519581be8f0cb9e49 100644
--- a/tests/language/factory2_test.dart
+++ b/tests/language/factory2_test.dart
@@ -15,7 +15,7 @@ abstract class EmptyLink<T> extends Link<T> {
 }
 
 class LinkFactory<T> {
-  factory LinkFactory(head, [Link tail]) { }
+  factory LinkFactory(head, [Link tail]) {}
 }
 
 // Does not implement all of Iterable
@@ -27,8 +27,7 @@ class AbstractLink<T> implements Link<T> {
 }
 
 // Does not implement all of Iterable
-class LinkTail<T> extends AbstractLink<T>
-    implements EmptyLink<T> {
+class LinkTail<T> extends AbstractLink<T> implements EmptyLink<T> {
   const LinkTail();
 }
 
@@ -49,4 +48,3 @@ main() {
   // instantiation of abstract class
   const EmptyLink<String>().prepend('fisk'); //# static type warning
 }
-