KCC: shift tests/graph_utils.py to tests/kcc/graph_utils.py

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

diff --git a/python/samba/tests/graph_utils.py b/python/samba/tests/kcc/graph_utils.py
similarity index 100%
rename from python/samba/tests/graph_utils.py
rename to python/samba/tests/kcc/graph_utils.py