[midPoint-git] [Evolveum/midpoint] 197659: Fix progress reporting in the perf test again

[mederly]

  Branch: refs/heads/support-4.2
  Home:   https://github.com/Evolveum/midpoint
  Commit: 197659d86040da14716d0cf16f798d644a2d67a0
      https://github.com/Evolveum/midpoint/commit/197659d86040da14716d0cf16f798d644a2d67a0
  Author: Pavol Mederly <mederly at evolveum.com>
  Date:   2021-04-30 (Fri, 30 Apr 2021)

  Changed paths:
    M testing/story/pom.xml
    M testing/story/src/test/java/com/evolveum/midpoint/testing/story/sysperf/ProgressOutputFile.java
    M testing/story/src/test/java/com/evolveum/midpoint/testing/story/sysperf/TestSystemPerformance.java

  Log Message:
  -----------
  Fix progress reporting in the perf test again