Remove explicit --reject_named_argument_as_positional flag in language tests.

tests/language/positional_parameters_type_test.dart

Index: tests/language/positional_parameters_type_test.dart
===================================================================
--- tests/language/positional_parameters_type_test.dart	(revision 13909)
+++ tests/language/positional_parameters_type_test.dart	(working copy)
@@ -1,14 +1,10 @@
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
-// VMOptions=--enable_type_checks --no_reject_named_argument_as_positional
+// VMOptions=--enable_type_checks
 //
-// Dart test program for testing optional parameters in type tests.
+// Dart test program for testing optional positional parameters in type tests.
 
-// TODO(regis): The expected signatures below will change once we run this test
-// with --reject_named_argument_as_positional which is still too early to do at
-// this time.
-
 class NamedParametersTypeTest {
   static int testMain() {
     int result = 0;
@@ -27,27 +23,25 @@
       acceptFunNumOptBool(funNum);  // No static type warning.
     } on TypeError catch (error) {
       result += 1;
-      Expect.stringEquals("(num, [b: bool]) => void", error.dstType);
+      Expect.stringEquals("(num, [bool]) => void", error.dstType);
       Expect.stringEquals("(num) => void", error.srcType);
     }
     try {
       acceptFunNumOptBool(funNumBool);  /// static type warning
     } on TypeError catch (error) {
       result += 10;
-      Expect.stringEquals("(num, [b: bool]) => void", error.dstType);
+      Expect.stringEquals("(num, [bool]) => void", error.dstType);
       Expect.stringEquals("(num, bool) => void", error.srcType);
     }
     try {
-      acceptFunNumOptBool(funNumOptBoolX);  /// static type warning
+      acceptFunNumOptBool(funNumOptBoolX);  // No static type warning.
     } on TypeError catch (error) {
       result += 100;
-      Expect.stringEquals("(num, [b: bool]) => void", error.dstType);
-      Expect.stringEquals("(num, [x: bool]) => void", error.srcType);
     }
     return result;
   }
 }
 
 main() {
-  Expect.equals(111, NamedParametersTypeTest.testMain());
+  Expect.equals(11, NamedParametersTypeTest.testMain());
 }