Closes gh-17112

* gh-17111:
  Make dependency available for javadoc generation

Closes gh-17111

See gh-17111

Closes gh-17109

* pr/17069:
  Add missing @Test annotations

Closes gh-17069

This commit also restores assertion accidentally removed in
commit 44d83215.

See gh-17069

* pr/17106:
  Fix deployment tests JUnit 5 checkstyle issues

Closes gh-17106

See gh-17106

Closes gh-17104

Closes gh-17099

Add a rule to enforce JUnit 5 usage and conventions.

Closes gh-17093

Closes gh-15872

Update `ConfigFileApplicationListener` so that property filtering works
against the original `PropertySource`, rather than the underling `Map`.

Prior to this commit, it was impossible for a `CompositePropertySource`
to be used as the `defaultPropertySource`.

Closes gh-17011

Closes gh-17092

Closes gh-17088

Closes gh-17087

Closes gh-17081

See gh-16682

Fix formatting issues, primarily around header comments.

Closes gh-17080

Closes gh-17084

Closes gh-17083