diff --git a/js/runner_client/VenusClientLibrary.js b/js/runner_client/VenusClientLibrary.js
index 7b7796b..d19c96f 100644
--- a/js/runner_client/VenusClientLibrary.js
+++ b/js/runner_client/VenusClientLibrary.js
@@ -56,10 +56,12 @@ VenusClientLibrary.prototype.done = function(results) {
 
   // decorate the test results with metadata
   results.userAgent = window.navigator.userAgent;
-  results.codeCoverageData  = sandbox.contentWindow.__coverage__;
+  results.codeCoverageData  = sandbox.contentWindow && sandbox.contentWindow.__coverage__;
   results.testId = window.venus.testId;
 
-  this.socket.emit('results', results);
+  if (this.socket) {
+    this.socket.emit('results', results);
+  }
 
   // append the test results to the document
   doneEl.id = 'test-done-marker';
@@ -67,8 +69,8 @@ VenusClientLibrary.prototype.done = function(results) {
 
   $(document).trigger('results', results);
 
-  if (window.VenusTestList) {
-    VenusTestList.postTestResults(results);
+  if (window.parent && window.parent.VenusTestList && window.parent.VenusTestList.postTestResults) {
+    window.parent.VenusTestList.postTestResults(results);
   }
 };
 
diff --git a/lib/uac/GhostDriverUac.js b/lib/uac/GhostDriverUac.js
index 8658dbd..daae63e 100644
--- a/lib/uac/GhostDriverUac.js
+++ b/lib/uac/GhostDriverUac.js
@@ -21,6 +21,7 @@
 
 var webdriver   = require('selenium-webdriver'),
     log         = require('../util/logger'),
+    portscanner = require('portscanner'),
     deferred    = require('deferred'),
     fsHelper    = require('../util/fsHelper'),
     spawn       = require('child_process').spawn,
@@ -31,21 +32,11 @@ var webdriver   = require('selenium-webdriver'),
  * @param {Object} options
  */
 function GhostDriverUac(options) {
-  this.host = options.host || 'http://localhast';
+  this.host = options.host || 'localhost';
   this.port = options.port || 8910;
 
-  this.server = [
-    this.host || 'http://localhost',
-    ':',
-    this.port
-  ].join('');
-
   this.startAttempts = 0;
 
-  if (this.server.indexOf('http://') !== 0) {
-    this.server = 'http://' + this.server;
-  }
-
   if (options && options.binaryPath) {
     this.binaryPath = fsHelper.getFirstValidPath(options.binaryPath);
   }
@@ -67,11 +58,19 @@ GhostDriverUac.prototype.start = function () {
   // First, try to kill other phantomjs processes
   spawn('killall', ['-9', 'phantomjs']).on('exit', function () {
     // Now, go ahead and start a new phantomjs process
-    spawnPhantom.call(this);
+    portscanner.findAPortNotInUse(this.port,
+                                  this.port + 2000,
+                                  this.host,
+                                  function(err, port) {
+      this.port = port;
+      this.server = 'http://' + this.host + ':' + this.port;
+      log.debug('Trying to create PhontamJS Selenium server at', this.server);
+      spawnPhantom.call(this);
+    }.bind(this));
   }.bind(this));
 
   function spawnPhantom () {
-    this.process = spawn(binary, ['--webdriver=' + this.options.port]);
+    this.process = spawn(binary, ['--webdriver=' + this.port]);
     this.process.on('exit', function (code) {
 
       // Invalid phantomjs path
diff --git a/test/unit/client/.venus/config b/test/unit/client/.venus/config
index 1b5a8f8..fe5e38e 100644
--- a/test/unit/client/.venus/config
+++ b/test/unit/client/.venus/config
@@ -4,8 +4,12 @@
   },
   includes: {
     dom: [
-      '../../../../js/jquery/jquery-1.10.0.min.js',
       '../../../../js/underscore/underscore-min.js'
+    ],
+    default: [
+      '../../../../js/jquery/jquery-1.10.0.min.js',
+      'mocks/venusTestList.js',
+      'mocks/venus.js'
     ]
   }
 }
\ No newline at end of file
diff --git a/test/unit/client/.venus/mocks/venus.js b/test/unit/client/.venus/mocks/venus.js
new file mode 100644
index 0000000..e36dc57
--- /dev/null
+++ b/test/unit/client/.venus/mocks/venus.js
@@ -0,0 +1,3 @@
+window.venus = window.venus || {
+  testId: 1
+};
diff --git a/test/unit/client/.venus/mocks/venusTestList.js b/test/unit/client/.venus/mocks/venusTestList.js
new file mode 100644
index 0000000..d0df45b
--- /dev/null
+++ b/test/unit/client/.venus/mocks/venusTestList.js
@@ -0,0 +1,3 @@
+window.parent.VenusTestList = window.parent.VenusTestList || {
+  postTestResults: function() {}
+};
diff --git a/test/unit/client/runner_client/VenusClientLibrary.fixture.html b/test/unit/client/runner_client/VenusClientLibrary.fixture.html
new file mode 100644
index 0000000..f20447e
--- /dev/null
+++ b/test/unit/client/runner_client/VenusClientLibrary.fixture.html
@@ -0,0 +1 @@
+<div id="sandbox"></div>
diff --git a/test/unit/client/runner_client/VenusClientLibrary.spec.js b/test/unit/client/runner_client/VenusClientLibrary.spec.js
index aa70021..5353c7b 100644
--- a/test/unit/client/runner_client/VenusClientLibrary.spec.js
+++ b/test/unit/client/runner_client/VenusClientLibrary.spec.js
@@ -1,17 +1,33 @@
 /**
+ * @venus-fixture VenusClientLibrary.fixture.html
  * @venus-code runnerClient/VenusClientLibrary.js
  */
 describe('VenusClientLibrary', function() {
+  function createInstance() {
+    return new VenusClientLibrary({
+      host: 'www.example.com',
+      port: 1234
+    });
+  }
+
   it('should expect on the window as VenusClientLibrary', function() {
     expect(window.VenusClientLibrary).to.be.ok();
   });
 
   it('should instantiate a new VenusClientLibrary object', function() {
-    var venusClientLibrary = new VenusClientLibrary({
-      host: 'www.example.com',
-      port: 1234
-    });
+    expect(createInstance()).to.be.a(VenusClientLibrary);
+  });
+
+  describe('.done()', function() {
+    it('should execute VenusTestList.postTestReults from the parent context', sinon.test(function() {
+      var instance = createInstance(),
+          resultsStub = this.stub(window.parent.VenusTestList, 'postTestResults'),
+          results = {
+            band: 'Godspeed You! Black Emperor'
+          };
 
-    expect(venusClientLibrary).to.be.a(VenusClientLibrary);
+      instance.done(results);
+      sinon.assert.calledWith(resultsStub, sinon.match(results));
+    }));
   });
 });