app/test: fix packet framework table unit tests
app/test: fix packet framework table unit tests

The pipeline object is not freed when a particular test-case of the
unit-test finishes. Using rte_pipeline_free() before returning the
outcome for each test-case fixes the issue.

Fixes: 5205954791cb ("app/test: packet framework unit tests")

Signed-off-by: Jasvinder Singh <97b766ecf460b59e2781d4fc0469065206870f5c@intel.com>
Acked-by: Cristian Dumitrescu <25468b8a3698eeb3c368247f8635924bb4a1ce2c@intel.com>

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