Adjust some tests to make them run fine in the Gradle build as well git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1763816 13f79535-47bb-0310-9956-ffa450edef68
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1761871 13f79535-47bb-0310-9956-ffa450edef68