public async Task Retrieve_RequestActivities_QueryResultReturned()
        {
            var handler = new BlogsQueryHandler(Context, Mapper.Object);
            var query = new GetBlogs();
            var result = await handler.Retrieve(query);

            Assert.IsNotNull(result);
            Assert.IsInstanceOfType(result, typeof(BlogsQueryResult));

            var item = result.FirstOrDefault(r => r.Id == blogId1);
            Assert.IsNotNull(item);
        }
 public async Task Retrieve_RequestNull_Exception()
 {
     var handler = new BlogsQueryHandler(Context, Mapper.Object);
     var result = await handler.Retrieve(null);
 }