This PR adds a case to test that ipv4 format validation fails for address with a netmask. We already have such test case for ipv6, so why not add one for ipv4 😅
Spec reference:
A string instance is valid against this attribute if it is a valid representation of an IPv4 address according to the "dotted-quad" ABNF syntax as defined in RFC 2673, section 3.2 [RFC2673].
This PR adds a case to test that ipv4 format validation fails for address with a netmask. We already have such test case for ipv6, so why not add one for ipv4 😅
Spec reference:
https://json-schema.org/draft-04/draft-fge-json-schema-validation-00#rfc.section.7.3.4.2