public void ToolBarVisibilityChangedShouldBeRaisedWhenToolBarVisibilityChanges()
{
const string siteName = "siteName";
var cabCommand = new Command();
var command = _commandService.CreateCommand(cabCommand, "command", null);
_toolBarService.AddButtonItem(siteName, command, null, null);
Assert.IsNull(_toolBarVisibilityChangedEventArgs);
_toolBarService.SetIsVisible(siteName, false);
Assert.IsNotNull(_toolBarVisibilityChangedEventArgs);
Assert.AreEqual(siteName, _toolBarVisibilityChangedEventArgs.ToolBarSiteName);
ClearEventInfo();
_toolBarService.SetIsVisible(siteName, false);
Assert.IsNull(_toolBarVisibilityChangedEventArgs);
ClearEventInfo();
_toolBarService.SetIsVisible(siteName, true);
Assert.IsNotNull(_toolBarVisibilityChangedEventArgs);
Assert.AreEqual(siteName, _toolBarVisibilityChangedEventArgs.ToolBarSiteName);
}