diff --git a/polyfills/Array/prototype/some/tests.js b/polyfills/Array/prototype/some/tests.js
index <HASH>..<HASH> 100644
--- a/polyfills/Array/prototype/some/tests.js
+++ b/polyfills/Array/prototype/some/tests.js
@@ -1,7 +1,21 @@
-/* eslint-env mocha, browser */
-/* global proclaim */
+/* eslint-env mocha */
+/* globals proclaim */
 
-// See: https://people.mozilla.org/~jorendorff/es6-draft.html#sec-array.prototype.some
+it('is a function', function () {
+	proclaim.isFunction(Array.prototype.some);
+});
+
+it('has correct arity', function () {
+	proclaim.arity(Array.prototype.some, 1);
+});
+
+it('has correct name', function () {
+	proclaim.hasName(Array.prototype.some, 'some');
+});
+
+it('is not enumerable', function () {
+	proclaim.nonEnumerable(Array.prototype, 'some');
+});
 
 beforeEach(function() {
 	this.array = [0, 2, 4, 6, 8, 10, 12, 14];
improve test coverage for Array.prototype.some (#<I>)