Using nodeunit's deepEqual instead of manually looping.

This makes for more readable assertion messages (so you can actually see the difference in the lists), and removes the underscore dependency.

package.json

@@ -21,8 +21,7 @@
  },
 
  "devDependencies": {
- "nodeunit": ">= 0.6.4",
- "underscore": ">= 1.3.1"
+ "nodeunit": ">= 0.6.4"
  },
 
  "main": "./lib/wrench",

tests/readdir.js

@@ -2,7 +2,6 @@ var testCase = require('nodeunit').testCase;
 var fs = require('fs');
 var wrench = require('../lib/wrench');
 var path = require('path');
-var _und = require("underscore");
 
 
 function checkResult(test, files) {
@@ -15,11 +14,7 @@ function checkResult(test, files) {
  'foo/bar/ipsum.js'
  ];
 
- test.equals(files.length, check.length, 'number of paths is correct');
-
- _und.each(check, function(it) {
- test.ok(_und.include(files, it), 'path ' + it + ' should be returned');
- });
+ test.deepEqual(files, check);
 
  test.done();
 }