[zanata/zanata-platform] 0ba9f6: fix: remove compiler warning - redundant cast

[GitHub]

  Branch: refs/heads/ZNTA-1924-compiler-warning
  Home:   https://github.com/zanata/zanata-platform
  Commit: 0ba9f645f8e542a903b79ee57f884e63a56849b6
      https://github.com/zanata/zanata-platform/commit/0ba9f645f8e542a903b79ee57f884e63a56849b6
  Author: Alex Eng <aeng at redhat.com>
  Date:   2017-06-01 (Thu, 01 Jun 2017)

  Changed paths:
    M server/zanata-war/src/test/java/org/zanata/ZanataRestTest.java
    M server/zanata-war/src/test/java/org/zanata/model/HDocumentHistoryJPATest.java
    M server/zanata-war/src/test/java/org/zanata/model/HTextFlowHistoryJPATest.java
    M server/zanata-war/src/test/java/org/zanata/model/HTextFlowTargetHistoryJPATest.java

  Log Message:
  -----------
  fix: remove compiler warning - redundant cast

https://zanata.atlassian.net/browse/ZNTA-1924