[zanata/zanata-platform] 509778: fix 2 warnings

[GitHub]

  Branch: refs/heads/fix-master
  Home:   https://github.com/zanata/zanata-platform
  Commit: 509778aa0a98c127a36df84299359aad63feaea6
      https://github.com/zanata/zanata-platform/commit/509778aa0a98c127a36df84299359aad63feaea6
  Author: Patrick Huang <pahuang at redhat.com>
  Date:   2017-05-09 (Tue, 09 May 2017)

  Changed paths:
    M server/zanata-model/src/test/java/org/zanata/model/SlugEntityBaseTest.java
    M server/zanata-war/src/test/java/org/zanata/security/permission/PermissionEvaluatorTest.java

  Log Message:
  -----------
  fix 2 warnings