Fold SO func. tests into integration-testing plan

PTL of SO asked for a consolodated
job for function testing rather
than individual features each with their
own jobs. This patch puts SO testing plans
under so/integration-testing and
points to santiy-check in testplans.txt.

Issue-ID: SO-555
Change-Id: I89f36f25c0bc3879702c6148d2858c99de7120e0
Signed-off-by: Marcus G K Williams <marcus.williams@intel.com>

diff --git a/test/csit/plans/so/sanity-check/setup.sh b/test/csit/plans/so/integration-testing/setup.sh
similarity index 100%
rename from test/csit/plans/so/sanity-check/setup.sh
rename to test/csit/plans/so/integration-testing/setup.sh

diff --git a/test/csit/plans/so/sanity-check/teardown.sh b/test/csit/plans/so/integration-testing/teardown.sh
similarity index 100%
rename from test/csit/plans/so/sanity-check/teardown.sh
rename to test/csit/plans/so/integration-testing/teardown.sh

diff --git a/test/csit/plans/so/sanity-check/testplan.txt b/test/csit/plans/so/integration-testing/testplan.txt
similarity index 100%
rename from test/csit/plans/so/sanity-check/testplan.txt
rename to test/csit/plans/so/integration-testing/testplan.txt