public void Update_Invocation_InvokesIndexSource()
{
// Arrange
var mock = new Mock <IIndexSource <IStartMenuAction> >();
var searchController = new SearchController <IStartMenuAction>();
searchController.AddIndexSource(mock.Object);
// Act
searchController.RefreshIndex();
// Assert
mock.Verify(m => m.GetIndexableItems(), Times.Once);
}
