Add new cps_ir test omitted from last cl

tests/compiler/dart2js/cps_ir/closures_16_test.dart

Index: tests/compiler/dart2js/cps_ir/closures_16_test.dart
diff --git a/tests/compiler/dart2js/cps_ir/closures_10_test.dart b/tests/compiler/dart2js/cps_ir/closures_16_test.dart
similarity index 69%
copy from tests/compiler/dart2js/cps_ir/closures_10_test.dart
copy to tests/compiler/dart2js/cps_ir/closures_16_test.dart
index e5d99a8ae4123b547047d5840a4b5cb6c159bfad..6b359ecc80abd0249ed592ec51cb35b7e0f8011e 100644
--- a/tests/compiler/dart2js/cps_ir/closures_10_test.dart
+++ b/tests/compiler/dart2js/cps_ir/closures_16_test.dart
@@ -6,10 +6,10 @@
 // Do not edit this file by hand.
 // ---------------------------------------
 
-library tests.compiler.dart2js.cps_ir.closures_10.dart;
+library tests.compiler.dart2js.cps_ir.closures_16.dart;
 
 import 'runner.dart';
 
 main(args) {
-  runTest("closures_10.dart", update: args.length > 0 && args[0] == "update");
+  runTest("closures_16.dart", update: args.length > 0 && args[0] == "update");
 }