사용제한된특수Ipv4 › csv › ReadFromStdin › KafkaCat › 읽을책 › EqualsVerifier
java.lang.AssertionError: hashCode throws ArrayIndexOutOfBoundsException when field vendorItemPackageId is null.
==>
.withPrefabValues(YearMonth.class, new YearMonth(), new YearMonth().plusMonths(1))