RFR: 1627: Add tests for bot factories

[Zhao Song]

Add some tests for BotFactories.

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Commit messages:
 - changed test json
 - add some tests
 - Merge branch 'master' into SKARA-1627
 - CSRBotFactoryTest

Changes: https://git.openjdk.org/skara/pull/1393/files
 Webrev: https://webrevs.openjdk.org/?repo=skara&pr=1393&range=00
  Issue: https://bugs.openjdk.org/browse/SKARA-1627
  Stats: 230 lines in 6 files changed: 221 ins; 0 del; 9 mod
  Patch: https://git.openjdk.org/skara/pull/1393.diff
  Fetch: git fetch https://git.openjdk.org/skara pull/1393/head:pull/1393

PR: https://git.openjdk.org/skara/pull/1393