Corrected expected value in broken test

Signed-off-by: artem.ivanov <artem.ivanov@dsr-corporation.com>

src/data_types/w3c/proof.rs

@@ -359,7 +359,7 @@ pub(crate) mod tests {
             value: 1,
         };
         let encoded = obj.encode().unwrap();
-        assert_eq!("ueyJ0eXBlXyI6IlRlc3QiLCJ2YWx1ZSI6MX0", encoded);
+        assert_eq!("ugqV0eXBlX6RUZXN0pXZhbHVlAQ", encoded);
         let decoded = TestObject::decode(&encoded).unwrap();
         assert_eq!(obj, decoded)
     }