fix for #520, ListMixin should work again

test/browser/language_tests.js

 // Copyright (c) 2015, 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.
 
 (function() {
   'use strict';
 
   let dart_sdk = dart_library.import('dart_sdk');
   dart_sdk._isolate_helper.startRootIsolate(function() {}, []);
   let async_helper = dart_library.import('async_helper').async_helper;
@@ skipping 364 matching lines @@
     'corelib': {
       'apply2_test': fail,
       'apply3_test': fail,
       'apply_test': fail,
       'big_integer_parsed_arith_vm_test': fail,
       'big_integer_parsed_div_rem_vm_test': fail,
       'big_integer_parsed_mul_div_vm_test': fail,
       'bit_twiddling_bigint_test': fail,
       'bool_from_environment_test': fail,
       'collection_length_test': skip_timeout,
-      'collection_removes_test': fail,
       'collection_to_string_test': fail,
       'compare_to2_test': fail,
       'const_list_literal_test': fail,
       'const_list_remove_range_test': fail,
       'const_list_set_range_test': fail,
       'data_uri_test': fail,
       'date_time4_test': fail,
       'date_time_parse_test': fail,
       'date_time_test': fail,
       'double_parse_test_01_multi': fail,
@@ skipping 15 matching lines @@
       'hidden_library2_test_01_multi': fail,
       'indexed_list_access_test': fail,
       'int_from_environment2_test': fail,
       'int_from_environment_test': fail,
       'int_modulo_arith_test_bignum_multi': fail,
       'int_modulo_arith_test_modPow_multi': fail,
       'int_modulo_arith_test_none_multi': fail,
       'integer_to_radix_string_test': fail,
       'integer_to_string_test_01_multi': fail,
       'iterable_empty_test': fail,
-      'iterable_expand_test': fail,
       'iterable_generate_test': fail,
       'iterable_return_type_test_01_multi': fail,
       'iterable_return_type_test_02_multi': fail,
       'iterable_return_type_test_none_multi': fail,
       'json_map_test': fail,
       'list_fill_range_test': fail,
-      'list_get_range_test': fail,
       'list_replace_range_test': fail,
       'list_set_all_test': fail,
       'list_to_string2_test': fail,
       'list_to_string_test': fail,
       'main_test': fail,
       'map_keys2_test': fail,
       'map_to_string_test': fail,
       'nan_infinity_test_01_multi': fail,
       'null_nosuchmethod_test': fail,
       'null_test': fail,
       'num_sign_test': fail,
       'queue_test': fail,
       'regress_r21715_test': fail,
       'throw_half_surrogate_pair_test_02_multi': fail,
       'stacktrace_current_test': fail,
       'stacktrace_fromstring_test': fail,
       'string_from_environment2_test': fail,
       'string_from_environment_test': fail,
-      'string_fromcharcodes_test': fail,
+      'string_fromcharcodes_test': skip_timeout,
       'string_operations_with_null_test': fail,
       'symbol_reserved_word_test_06_multi': fail,
       'symbol_reserved_word_test_09_multi': fail,
       'symbol_reserved_word_test_12_multi': fail,
       'throw_half_surrogate_pair_test_01_multi': fail,
       'uri_test': fail,
       'uri_file_test': fail,
       'uri_normalize_path_test': fail,
       'uri_normalize_test': fail,
       'uri_parameters_all_test': fail,
@@ skipping 77 matching lines @@
 
         if (!async_helper.asyncTestStarted) done();
       });
     }
   }
 
   for (let action of unittest_tests) {
     action();
   }
 })();