https://codereview.appspot.com/66890043/diff/1/src/test/resources/data/Mashup... File src/test/resources/data/MashupPageUiTest.json (right): https://codereview.appspot.com/66890043/diff/1/src/test/resources/data/Mashup... src/test/resources/data/MashupPageUiTest.json:514: "endTime":"2012-04-01 11:59 PM UTC", null breaks student home page (even though this session is not supposed to appear in the student home page in the first place).