diff --git a/test/test.WalletFactory.js b/test/test.WalletFactory.js
index 47a1ab9b8..419d2ffcc 100644
--- a/test/test.WalletFactory.js
+++ b/test/test.WalletFactory.js
@@ -404,9 +404,17 @@ describe('WalletFactory model', function() {
       var wf = new WalletFactory(config, '0.0.1');
       wf.network.cleanUp = sinon.spy();
       wf.network.start = sinon.spy();
-      wf.joinCreateSession('8WtTuiFTkhP5ao7AF2QErSwV39Cbur6pdMebKzQXFqL59RscXM', 'test', null, undefined);
+      wf.joinCreateSession('8WtTuiFTkhP5ao7AF2QErSwV39Cbur6pdMebKzQXFqL59RscXM', 'test');
       wf.network.start.calledOnce.should.equal(true);
     });
+    it('should accept a priv key a input', function() {
+      var wf = new WalletFactory(config, '0.0.1');
+      var privHex = 'tprv8ZgxMBicQKsPf7MCvCjnhnr4uiR2Z2gyNC27vgd9KUu98F9mM1tbaRrWMyddVju36GxLbeyntuSadBAttriwGGMWUkRgVmUUCg5nFioGZsd';
+      wf.network.cleanUp = sinon.spy();
+      wf.network.start = sinon.spy();
+      wf.joinCreateSession('8WtTuiFTkhP5ao7AF2QErSwV39Cbur6pdMebKzQXFqL59RscXM', 'test', null, privHex);
+      wf.network.start.getCall(0).args[0].privkey.should.equal('ddc2fa8c583a73c4b2a24630ec7c283df4e7c230a02c4e48bc36ec61687afd7d');
+    });
     it('should call network.start with private key', function() {
       var wf = new WalletFactory(config, '0.0.1');
       wf.network.cleanUp = sinon.spy();