ctf: Clean up the test suites

ctf: Clean up the test suites

* Order the test names alphabetically.
* Enable IOstructgenTest, which was not running.
* Drop the main() methods, probably an artifact from CodePro.

Change-Id: I139351bced74638d702cfb7245db38481545424a
Signed-off-by: Alexandre Montplaisir <alexmonthy@voxpopuli.im>
Reviewed-on: https://git.eclipse.org/r/10055
Tested-by: Hudson CI
Reviewed-by: Matthew Khouzam <matthew.khouzam@ericsson.com>
IP-Clean: Matthew Khouzam <matthew.khouzam@ericsson.com>
Tested-by: Matthew Khouzam <matthew.khouzam@ericsson.com>