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ARROW-4740: [Java] Upgrade to JUnit 5.

- Followed recommended POM Recipes from web.
- Remove POM references that no longer seem valid (and update others test related packages to be there latest).
- Modified TestAuth.java to demonstrate new exception assertions.

Author: Micah Kornfield <emkornfield@gmail.com>

Closes #3955 from emkornfield/upgrade_junit and squashes the following commits:

d8d8a5ec <Micah Kornfield> ARROW-4740:  Upgrade to JUnit 5.