public void GetProductIdsArrayFromRequest1_ShouldReturnArrayItemsIfTheRequestHasValidKey(string key, int[] expectedResult)
        {
            // Arrange
            var requestParams = new KeyValuePair <string, string>[]
            {
                new KeyValuePair <string, string>(key, "1"),
                new KeyValuePair <string, string>(key, "2"),
                new KeyValuePair <string, string>(key, "3"),
                new KeyValuePair <string, string>(key, "4"),
                new KeyValuePair <string, string>(key, "5"),
                new KeyValuePair <string, string>(key, "6"),
            };

            // Act
            var actualResult = _conversionService.GetProductIdsArrayBasedOnRequest(requestParams, "productids", out _, null);

            // Assert
            Assert.IsNotNull(actualResult);
            Assert.AreEqual(expectedResult, actualResult);
        }