public void ToGuidShould_ReturnGuidedInteger()
 => Assert.True(IntExtensions.ToGuid(1234567890).ToString() == "499602d2-0000-0000-0000-000000000000");
 public void ToGuidShould_ReturnGuidedInteger_WhenInputIsZero()
 => Assert.True(IntExtensions.ToGuid(0).ToString() == "00000000-0000-0000-0000-000000000000");