tests: move GSO/GRO tests to src/vnet/gso/test

- Refactor make test code to be co-located with
  the vpp feature source code

Type: test

Signed-off-by: Dave Wallace <[email protected]>
Change-Id: Id9c5bf2cd01b6c1fd1750b4978d01597ee3bbf53

diff --git a/test/test_gro.py b/src/vnet/gso/test/test_gro.py
similarity index 100%
rename from test/test_gro.py
rename to src/vnet/gso/test/test_gro.py

diff --git a/test/test_gso.py b/src/vnet/gso/test/test_gso.py
similarity index 100%
rename from test/test_gso.py
rename to src/vnet/gso/test/test_gso.py