tests: test set for ivi-layer normal use case with helper client

These test are implemented on test suite framework, which provides
helper client.
Following features are tested,
- render order of ivi-surfaces on ivi-layer

Signed-off-by: Nobuhiko Tanibata <nobuhiko_tanibata@xddp.denso.co.jp>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Reviewed-by: Jon A. Cruz <jonc@osg.samsung.com>
3 files changed