[code-reflection] Integrated: Adding intellij test infrastructure and seeding with code from exampl…

[Gary Frost]

Added iml changes to us testng in Intellij to the project.  Moved/copied some code from experiments to the test dir.

-------------

Commit messages:
 - Adding intellij test infrastructure and seeding with code from examples/experiments

Changes: https://git.openjdk.org/babylon/pull/136/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=136&range=00
  Stats: 203 lines in 5 files changed: 201 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/babylon/pull/136.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/136/head:pull/136

PR: https://git.openjdk.org/babylon/pull/136