[moco/tf] Move Transform.test.cpp (#4217)

Transform.cpp is in the top-level source directory, but Transform.test.cpp
is currently inside Transforms directory.

Signed-off-by: Jonghyun Park <jh1302.park@samsung.com>

diff --git a/contrib/moco-tf/src/Transforms/Transform.test.cpp b/contrib/moco-tf/src/Transform.test.cpp
similarity index 100%
rename from contrib/moco-tf/src/Transforms/Transform.test.cpp
rename to contrib/moco-tf/src/Transform.test.cpp