[slf4j-dev] [qos-ch/slf4j] ff4a3a: fix unit tests

[Ceki Gulcu]

  Branch: refs/heads/master
  Home:   https://github.com/qos-ch/slf4j
  Commit: ff4a3a438ef9a10898f80dd0242d8f93cb24bdd4
      https://github.com/qos-ch/slf4j/commit/ff4a3a438ef9a10898f80dd0242d8f93cb24bdd4
  Author: Ceki Gulcu <ceki at qos.ch>
  Date:   2021-07-02 (Fri, 02 Jul 2021)

  Changed paths:
    M slf4j-api/src/test/java/org/slf4j/helpers/BasicMDCAdapterTest.java
    A slf4j-api/src/test/java/org/slf4j/helpers/MDCAdapterTestBase.java
    M slf4j-log4j12/src/test/java/org/slf4j/log4j12/Log4jMDCAdapterTest.java

  Log Message:
  -----------
  fix unit tests

Signed-off-by: Ceki Gulcu <ceki at qos.ch>