Remove unnecessary images test

*Removed an unnecessary images test
*Removed an unnecessary import
*Replaced unittest2 with unittest
*Updated copyright date

Change-Id: I2eb0e14a877922051b0b3bc7fd2b7882cb2497e3
Remove all images v1 tests

*Images v1 will soon be deprecated so the test code needs to  be removed
*Removed images v1 fixture
*Removed images v1 tests

Change-Id: I496bb4930db82a87f94b319013e8a14f29f27d02
Merge "Remove all images v1 tests"
Merge "Remove unnecessary images test"