Replace someElement with anyElement.

pkg/unittest/test/matchers_test.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.
 
 import 'dart:async';
 import 'dart:collection';
 
 import 'package:unittest/unittest.dart';
 
 import 'test_common.dart';
@@ skipping 432 matching lines @@
           "an object with length of a value greater than <0>) at index 2");
       shouldFail(e, everyElement(allOf(contains('foo'),
           hasLength(greaterThan(0)))),
           "Expected: every element((contains 'foo' and an object with "
           "length of a value greater than <0>)) "
           "Actual: [['foo', 'bar'], ['foo'], 3, []] "
           "Which: has value <3> which is not a string, map or iterable "
           "at index 2");
     });
 
-    test('someElement', () {
+    test('anyElement', () {
       var d = [1, 2];
       var e = [1, 1, 1];
-      shouldPass(d, someElement(2));
-      shouldFail(e, someElement(2),
+      shouldPass(d, anyElement(2));
+      shouldFail(e, anyElement(2),
           "Expected: some element <2> Actual: [1, 1, 1]");
     });
 
     test('orderedEquals', () {
       shouldPass([null], orderedEquals([null]));
       var d = [1, 2];
       shouldPass(d, orderedEquals([1, 2]));
       shouldFail(d, orderedEquals([2, 1]),
           "Expected: equals [2, 1] ordered "
           "Actual: [1, 2] "
@@ skipping 233 matching lines @@
 
   group('Predicate Matchers', () {
     test('isInstanceOf', () {
       shouldFail(0, predicate((x) => x is String, "an instance of String"),
           "Expected: an instance of String Actual: <0>");
       shouldPass('cow', predicate((x) => x is String, "an instance of String"));
     });
   });
 }