commit 0a64fee903a8f598b7d76c6556647b8231e21c82
Author: Tom Hughes <tom@compton.nu>
Date:   Thu Oct 22 19:51:50 2015 +0100

    Patch out indexOf shim which isn't needed by node

diff --git a/test/shim.js b/test/shim.js
index 3124f49..14459e1 100644
--- a/test/shim.js
+++ b/test/shim.js
@@ -12,7 +12,6 @@ var reRequire = function reRequireImplementation() {
 };
 reRequire();
 
-var indexOf = require('indexof');
 var has = Object.prototype.hasOwnProperty;
 var enumerable = Object.prototype.propertyIsEnumerable;
 
@@ -154,7 +153,7 @@ test('returns names which are enumerable', function (t) {
 	}
 	var theKeys = keysShim(obj);
 	for (var i = 0; i < theKeys.length; ++i) {
-		t.notEqual(indexOf(loopedValues, theKeys[i]), -1, theKeys[i] + ' is not enumerable');
+		t.notEqual(loopedValues.indexOf(theKeys[i]), -1, theKeys[i] + ' is not enumerable');
 	}
 	t.end();
 });