Update tests in r.core to use JUnit 5 jupiter

Change-Id: Ic812718173368771ae20f17207d448e6796340b8
13 files changed
tree: 32542dc31530feb60e3fe02748f40813887cde8e
  1. .project
  2. .settings/
  3. LICENSE
  4. NOTICE.md
  5. pom.xml
  6. r/
  7. redocs/
  8. rhelp/
  9. rtm/