Update broken images unit tests

*Updated import paths
*Updated image json data file
*Updated image and images schema data files
*Updated broken tests, making sure that all image attributes are correct
*Rebased with master
*Added test harness
*Removed print statements

Change-Id: I8a8b8cb7bf57a4b7447807f7b2847a953c288acb
Merge "Update broken images unit tests"