* replace removed forkMode
* remove junit runner where it's not needed
* update samples without skipping test files, but skip files named "FILES"
* revert overwriting custom tests, add custom java tests to list
* add one sample to CircleCI, fix various Java tests
* feat (JAVA SPRING RESTCLIENT) 19406: Add single request parameter for Spring RestClient
Closes#19406
* chore (JAVA SPRING RESTCLIENT) 19406: Add new sample to jdk 17 tests
* fix (JAVA SPRING RESTCLIENT) 19406: Fix sample build