tests: move test case to "maps" directory

This tests named object maps, so this should reside in maps/
not sets/ directory.

Signed-off-by: Florian Westphal <fw@strlen.de>

diff --git a/tests/shell/testcases/sets/0024named_objects_0 b/tests/shell/testcases/maps/0024named_objects_0
similarity index 100%
rename from tests/shell/testcases/sets/0024named_objects_0
rename to tests/shell/testcases/maps/0024named_objects_0

diff --git a/tests/shell/testcases/sets/dumps/0024named_objects_0.nft b/tests/shell/testcases/maps/dumps/0024named_objects_0.nft
similarity index 100%
rename from tests/shell/testcases/sets/dumps/0024named_objects_0.nft
rename to tests/shell/testcases/maps/dumps/0024named_objects_0.nft