test/hash: check freeing key with position
test/hash: check freeing key with position

This patch adds a unit test for rte_hash_free_key_with_position().

Suggested-by: Linfan <8817157ece3cefe87362682272e5750b7aa04638@163.com>
Signed-off-by: Dharmik Thakkar <724f3610823e4b14afc73144686337ac966281c2@arm.com>
Acked-by: Yipeng Wang <7cbe00ff6364999b5548d30abb0722f7c2a7092c@intel.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk