[logback-dev] [qos-ch/logback] 1213fc: put back tests removed by accident

[Ceki Gulcu]

  Branch: refs/heads/master
  Home:   https://github.com/qos-ch/logback
  Commit: 1213fcaa6428424de97ef7873f692b272c29873d
      https://github.com/qos-ch/logback/commit/1213fcaa6428424de97ef7873f692b272c29873d
  Author: Ceki Gulcu <ceki at qos.ch>
  Date:   2016-12-09 (Fri, 09 Dec 2016)

  Changed paths:
    M logback-core/src/test/java/ch/qos/logback/core/rolling/helper/RollingCalendarTest.java

  Log Message:
  -----------
  put back tests removed by accident