ovnk8s: do not clean module cache at the end of the tests
ovnk8s: do not clean module cache at the end of the tests

skydive-project/skydive,skydive-project/skydive,skydive-project/skydive,skydive-project/skydive,skydive-project/skydive,skydive-project/skydive,skydive-project/skydive