[midPoint-git] [Evolveum/midpoint] fdfb10: Fix LAT tests in TestTaskManagerBasic

[mederly]

  Branch: refs/heads/tmp/fixing-progress
  Home:   https://github.com/Evolveum/midpoint
  Commit: fdfb10d23e1e66bfc39847c21f1f6dfd1a1b2dac
      https://github.com/Evolveum/midpoint/commit/fdfb10d23e1e66bfc39847c21f1f6dfd1a1b2dac
  Author: Pavol Mederly <mederly at evolveum.com>
  Date:   2021-03-19 (Fri, 19 Mar 2021)

  Changed paths:
    M repo/task-quartz-impl/src/test/java/com/evolveum/midpoint/task/quartzimpl/MockParallelTaskHandler.java

  Log Message:
  -----------
  Fix LAT tests in TestTaskManagerBasic

500 threads is too many. Fifteen must suffice.
(High repo contention.)