public void DeleteTest()
{
//Arrange
var options = new DbContextOptionsBuilder <TodoContext>()
.UseInMemoryDatabase(databaseName: "TODOs")
.Options;
var todoModel = new TodoModel
{
Details = "Test todo",
DueDate = new System.DateTime()
};
var context = new TodoContext(options);
var todoService = new TodoService(context);
var createdTodo = todoService.CreateTodo(todoModel).Result;
//Act
todoService.DeleteTodo(createdTodo.Id).Wait();
//Assert
var result = todoService.FindOne(createdTodo.Id).Result;
Assert.IsNull(result);
}