public void GetHouseNumberAndSuffix(string address1, string address2, string address3, string expectedHouseNumber, string expectedSuffix)
{
string[] houseNumberAndSuffix = StringOperations.GetHouseNumberAndSuffix(address1, address2, address3);
houseNumberAndSuffix[0].ShouldBe(string.Join(' ', address1, address2, address3).Trim());
houseNumberAndSuffix[1].ShouldBe(expectedHouseNumber);
houseNumberAndSuffix[2].ShouldBe(expectedSuffix);
}