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

            DatabaseHelper.SeedData(database);

            ISupplementService supplementService = new SupplementService(database);

            // Act
            bool result = await supplementService.IsSupplementExistingByIdAndName(firstSupplementId, nonExistingSupplementName);

            // Assert
            result.Should().Be(false);
        }
        public async Task IsSupplementExistingByIdAndName_WithSupplementIdAndSupplementName_ShouldReturnTrue()
        {
            // Arrange
            FitStoreDbContext database = this.Database;

            DatabaseHelper.SeedData(database);

            ISupplementService supplementService = new SupplementService(database);

            // Act
            bool result = await supplementService.IsSupplementExistingByIdAndName(secondSupplementId, supplementName);

            // Assert
            result.Should().Be(true);
        }