fix issue 356 by making test match spec

tests/language/src/PseudoKWIllegalTest.dart

+// Copyright (c) 2012, 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.
+// Check that we cannot use a pseudo keyword at the class level code.
+
+// Pseudo keywords are not allowed to be used as class names.
+class abstract { }    /// 01: compile-time error
+class assert { }      /// 02: compile-time error
+class call { }        /// 03: compile-time error
+class Dynamic { }     /// 04: compile-time error
+class factory { }     /// 05: compile-time error
+class get { }         /// 06: compile-time error
+class implements { }  /// 07: compile-time error
+class import { }      /// 08: compile-time error
+class interface { }   /// 09: compile-time error
+class library { }     /// 10: compile-time error
+class negate { }      /// 11: compile-time error
+class operator { }    /// 12: compile-time error
+class set { }         /// 13: compile-time error
+class source { }      /// 14: compile-time error
+class static { }      /// 15: compile-time error
+class typedef { }     /// 16: compile-time error
+
+main() { }