OK, thank you for confirming. Hmm... I switched out my open jdk for Oracle 1.8.0_121, and I'm still not able to replicate this.
What specific version/build of Java are you using? I modified the first two unit tests that were causing problems. Give those a try. Can you give the full stacktrace for the third problem? > ODFParserTest.testParagraphLevelFontStyles:388->TikaTest.getXML:191->T > ikaTest.getXML:205 > ยป SAX