public async Task GetCategoryIdBySubcategoryId_WithSubcategoryId_ShouldReturnValidCategoryId()
{
// Arrange
FitStoreDbContext database = this.Database;
DatabaseHelper.SeedData(database);
ISubcategoryService subcategoryService = new SubcategoryService(database);
// Act
int result = await subcategoryService.GetCategoryIdBySubcategoryId(secondSubcategoryId);
// Assert
result.Should().Be(2);
}