[logback-dev] [qos-ch/logback] 6dffdf: make test more reobust

[Ceki Gulcu]

  Branch: refs/heads/master
  Home:   https://github.com/qos-ch/logback
  Commit: 6dffdfaa981471ad4ca924fd2283d7630b6594df
      https://github.com/qos-ch/logback/commit/6dffdfaa981471ad4ca924fd2283d7630b6594df
  Author: Ceki Gulcu <ceki at qos.ch>
  Date:   2016-03-03 (Thu, 03 Mar 2016)

  Changed paths:
    M logback-classic/src/test/java/ch/qos/logback/classic/pattern/ConverterTest.java

  Log Message:
  -----------
  make test more reobust