Fix.

node_modules/pn/test/custom.js

@@ -1,20 +0,0 @@
-// Verify that custom promises work as advertised.
-var PrPromise = require('prfun');
-var assert = require('../assert');
-var fs = require('../fs');
-
-describe('Verify that custom promises can be used', function() {
-    var oldPromise;
-    before(function() {
-        oldPromise = require('../_promise')();
-        require('../_promise')(PrPromise);
-    });
-    after(function() {
-        require('../_promise')(oldPromise);
-    });
-
-    it('exists should use the custom promise type', function() {
-        var p = fs.exists('abc');
-        assert.equal(p instanceof PrPromise, true);
-    });
-});