[WFCORE-2891] attribute "required" into elytron kerberos-security-factory

[hkalina]

https://issues.jboss.org/browse/WFCORE-2891
https://issues.jboss.org/browse/JBEAP-10653

Depends on wildfly-security/wildfly-elytron#849

[wildfly-ci]

Core - Full Integration Build 5096 outcome was FAILURE using a merge of 0f587b6
Summary: Compilation error: Compiler (new) Build time: 00:00:41

[wildfly-ci]

Full integration - Windows Build 3514 outcome was FAILURE using a merge of 0f587b6
Summary: Compilation error: Compiler (new) Build time: 00:02:45

[kabir]

Retest this please

[wildfly-ci]

Core - Full Integration Build 5104 outcome was FAILURE using a merge of 0f587b6
Summary: Compilation error: Compiler Build time: 00:00:48

[wildfly-ci]

Full integration - Windows Build 3521 outcome was FAILURE using a merge of 0f587b6
Summary: Compilation error: Compiler Build time: 00:02:37

[kabir]

@honza889 The parsing/marshalling needs to be tested in the subsystem tests. Looking at usage of the 'sibling' attribute wrap-gss-credential, I think you need to add this new required attribute to elytron/src/test/resources/org/wildfly/extension/elytron/credential-security-factories.xm

[wildfly-ci]

Core - Full Integration Build 5105 outcome was FAILURE using a merge of 2f227c0
Summary: Compilation error: Compiler Build time: 00:00:36

[wildfly-ci]

Full integration - Windows Build 3522 outcome was FAILURE using a merge of 2f227c0
Summary: Compilation error: Compiler Build time: 00:01:56

[kabir]

Retest this please

[hkalina]

Hmmm... probably just flaky tests, but will try to investigate the windows failure...