public async Task CreateAsync_WithName_ShouldCreateNewCategory()
        {
            // Arrange
            FitStoreDbContext database = this.Database;

            IManagerCategoryService managerCategoryService = new ManagerCategoryService(database);

            // Act
            await managerCategoryService.CreateAsync(categoryName);

            // Assert
            Category category = database.Categories.Find(1);

            category.Id.Should().Be(1);
            category.Name.Should().Be(categoryName);
        }