Document how to test OIDC with DevServices and minor updates to quarkus-test-keycloak-server

[sberyozkin]

This PR:

• documents how to test OIDC service and web-app applications with Dev Services For Keycloak
• updates KeycloakTestResourceLifecycleManager to disable Dev Services For Keycloak as proposed by Stuart
• changes KeycloakTestClient to have a client (instead of server) sub-package

See also: quarkusio/quarkus-quickstarts#928

[gastaldi]

LGTM

[sberyozkin]

Thanks @gastaldi :-), I'll wait till Monday in case Stuart will have something to comment and merge then

[quarkus-bot]

This workflow status is outdated as a new workflow run has been triggered.

Failing Jobs - Building 3e72172

Status	Name	Step	Test failures	Logs	Raw logs
✖	Initial JDK 11 Build	Build	⚠️ Check →	Logs	Raw logs

[sberyozkin]

Oops, forgot Stuart added KeycloakTestClient to the OIDC token propagation test

[sberyozkin]

@gastaldi I've followed up with some updates to the Dev Services for Keycloak doc - added a note about sharing the containers, linked to the newly added sections about the integration testing with DevServices, clarified the note about registering the redirect URI as suggested by @paulrobinson

[quarkus-bot]

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Failing Jobs - Building 01e5ba8

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Status	Name	Step	Failures	Logs	Raw logs
⌛	Initial JDK 11 Build		⚠️ Check →	Logs	Raw logs
⌛	Attach pull request number		⚠️ Check →	Logs	Raw logs
⌛	CI Sanity Check		⚠️ Check →	Logs	Raw logs

[quarkus-bot]

This workflow status is outdated as a new workflow run has been triggered.

🚫 This workflow run has been cancelled.

Failing Jobs - Building 13ce26f

⚠️ Artifacts of the workflow run were not available thus the report misses some details.

Status	Name	Step	Failures	Logs	Raw logs
⌛	Initial JDK 11 Build		⚠️ Check →	Logs	Raw logs
⌛	Attach pull request number		⚠️ Check →	Logs	Raw logs
⌛	CI Sanity Check		⚠️ Check →	Logs	Raw logs

[sberyozkin]

@gsmet Thanks for the review

[sberyozkin]

@stuartwdouglas I'll wait until you are back online before I merge, in case you'd like to comment on something. We can always improve these docs going forward as well, thanks

@gsmet Your suggested changes have been applied, thanks; will be merging soon

[sberyozkin]

Hi All, let me merge now - I'll be following up with further updates shortly anyway