isolation_tests: make sure the socket listener routine is done before starting a new one
isolation_tests: make sure the socket listener routine is done
before starting a new one

Signed-off-by: Jed Lejosne <58df768959dd06ee96a0a2c42d6cb59ebc2cc6b8@redhat.com>

stu-gott/kubevirt,davidvossel/kubevirt,davidvossel/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt,davidvossel/kubevirt,stu-gott/kubevirt,kubevirt/kubevirt,stu-gott/kubevirt,stu-gott/kubevirt,kubevirt/kubevirt,davidvossel/kubevirt