or
UIAutomation.WebAiiNUnitTest1.SampleWebAiiTest:System.ApplicationException : Exception thrown attempting to launch Internet Explorer. Please make sure Internet Explorer is properly installed and you are able to launch it. Also make sure that WebAii Test Execution client is properly installed. Check Tools->Manage Add-ons. ----> System.NullReferenceException : Object reference not set to an instance of an object.
What is the Test Execution client and how do I install it?[name 'Exact' TabsContainer] AND [XamlTag 'Exact' grid][XamlPath 'Exact' /radtabcontrol[automationid=Tabs]/grid[0]/raddockpanel[0]/layouttransformcontrol[name=HeaderDockedElement]/grid[name=RootVisual]/contentpresenter[name=ContentPresenter]/grid[0]/raddockpanel[0]/scrollviewer[automationid=ScrollViewerElement]/border[0]/grid[0]/scrollcontentpresenter[name=ScrollContentPresenter]/itemspresenter[0]/tabwrappanel[0]/radtabitem[0]]FrameworkElement myElement = app.Find.ByExpression(new XamlFindExpression("Name=TabsContainer", "|", "XamlTag=ScrollViewer", "|", "XamlPath=/radtabcontrol[automationid=Tabs]/grid[0]/raddockpanel[0]/layouttransformcontrol[name=HeaderDockedElement]/grid[name=RootVisual]/contentpresenter[name=ContentPresenter]/grid[0]/raddockpanel[0]/scrollviewer[automationid=ScrollViewerElement]/border[0]/grid[0]/scrollcontentpresenter[name=ScrollContentPresenter]/itemspresenter[0]/tabwrappanel[0]/radtabitem[0]"));Manager aaa = new Manager(false);aaa.Start();if (aaa.Browsers.Count == 0){ aaa.LaunchNewBrowser(BrowserType.InternetExplorer);}aaa.ActiveBrowser.NavigateTo(TextBox1.Text);aaa.SetNewBrowserTracking(true);// link wchich open pop upaaa.ActiveBrowser.Actions.Click(aaa.ActiveBrowser.Find.ById("newQuestion"));aaa.WaitForNewBrowserConnect(aaa.Browsers[aaa.Browsers.Count - 1].Url, true, 6000);aaa.ActiveBrowser.WaitUntilReady();aaa.ActiveBrowser.RefreshDomTree();//update value in the pop upaaa.ActiveBrowser.Actions.SetText(aaa.ActiveBrowser.Find.ById("name"), "nazwa testowa");aaa.ActiveBrowser.PrepareFrameForClosing(); aaa.ActiveBrowser.AutoDomRefresh = false;aaa.ActiveBrowser.AutoWaitUntilReady = false;//link wchich save data int the pop up and close pop upaaa.ActiveBrowser.Actions.Click(aaa.ActiveBrowser.Find.ById("save"));aaa.Browsers[aaa.Browsers.Count - 1].Close();aaa.ActiveBrowser.AutoDomRefresh = false;aaa.ActiveBrowser.AutoWaitUntilReady = false;Wait for condition has timed out[TimeoutException: Wait for condition has timed out] ArtOfTest.Common.WaitSync.CheckResult(WaitSync wait, String extraExceptionInfo) +115 ArtOfTest.Common.WaitSync.For(Predicate`1 predicate, T target, Boolean invertCondition, Int32 timeout) +110 ArtOfTest.WebAii.Core.Browser.WaitUntilReady() +149 ArtOfTest.WebAii.Core.Browser.ExecuteCommand(BrowserCommand request, Boolean performDomRefresh, Boolean waitUntilReady) +38 ArtOfTest.WebAii.Core.Browser.ExecuteCommand(BrowserCommand request) +25 ArtOfTest.WebAii.Core.Actions.Click(Element targetElement) +89 WebApplicationRealTelerikTest.str1.Button17_Click(Object sender, EventArgs e) in C:\Users\jbarteczek\Desktop\testyAutomat\oceny\WebApplicationRealTelerikTest\index.aspx.cs:1824 System.Web.UI.WebControls.Button.OnClick(EventArgs e) +118 System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +112 System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10 System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13 System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +36 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5563<input type="checkbox" disabled="disabled" name="assessmentForm:metCompletedPassedCourse" id="assessmentForm:metCompletedPassedCourse"/>var checkBox = Manager.ActiveBrowser.Find.AllByAttributes<HtmlInputCheckBox>("type=checkbox");Assert.True(checkBox.All(item => item.Attributes.Contains( ?