slight documentation for the tests

Author: tmthecoder

tests/otp_result.rs

@@ -1,11 +1,13 @@
 use xotp::otp_result::OTPResult;
 
+// Tests whether a code with less than 6 digits adds on leading zeroes
 #[test]
 fn test_padding_needed() {
     let result = OTPResult::new(6, 1234);
     assert_eq!("001234", result.as_string())
 }
 
+// Tests whether the formatter will leave the code string as-is
 #[test]
 fn test_padding_not_needed() {
     let result = OTPResult::new(6, 123456);