Format all tests.

tests/corelib_strong/iterable_take_test.dart

Index: tests/corelib_strong/iterable_take_test.dart
diff --git a/tests/corelib_strong/iterable_take_test.dart b/tests/corelib_strong/iterable_take_test.dart
index 926ab915908d561b21590190915a891624c17115..91ab2dd698e2428f70de8518e4c472e535443033 100644
--- a/tests/corelib_strong/iterable_take_test.dart
+++ b/tests/corelib_strong/iterable_take_test.dart
@@ -9,9 +9,7 @@ main() {
   List<int> list2 = const <int>[4, 5];
   List<String> list3 = <String>[];
   Set<int> set1 = new Set<int>();
-  set1..add(11)
-      ..add(12)
-      ..add(13);
+  set1..add(11)..add(12)..add(13);
   Set set2 = new Set();
 
   Iterable<int> take0 = list1.take(0);