Format all tests.

tests/corelib/list_contains_argument_order_test.dart

Index: tests/corelib/list_contains_argument_order_test.dart
diff --git a/tests/corelib/list_contains_argument_order_test.dart b/tests/corelib/list_contains_argument_order_test.dart
index db97b2d4d41c30a474521467ff8f435dcec99a82..0a3377270da97680d94a41a028728086497bceac 100644
--- a/tests/corelib/list_contains_argument_order_test.dart
+++ b/tests/corelib/list_contains_argument_order_test.dart
@@ -18,16 +18,15 @@ class B {
 }
 
 main() {
-
   test(iterable) {
     Expect.isFalse(iterable.contains(new B()));
   }
 
   var iterables = [
-    <A>[ new A() ],
+    <A>[new A()],
     new List<A>(1)..[0] = new A(),
     new List<A>()..add(new A()),
-    const <A>[ const A() ],
+    const <A>[const A()],
     new Set()..add(new A()),
     (new Map()..[new A()] = 0).keys,
     (new Map()..[0] = new A()).values