[ovs-dpdk-tests] where is ovs-dpdk test case?

Hi all,

I'm working with ovs-dpdk, I want to run ovs-dpdk test case. But I found
there is no test case for 'netdev' type bridge and no test case for
ovs-dpdk datapath(which is pmd_thread_main).

So my question is where could I find these test cases?

Also I change some code in dpdk-vhost client mode, how could I find test
case for this module?

Thank you~