describe-tests: add newline before start of docstrings
describe-tests: add newline before start of docstrings

Signed-off-by: Josh Durgin <1442af5e32b56bc0fa9c40ad9e4d67aeb05f1e26@redhat.com>

SUSE/teuthology,dmick/teuthology,SUSE/teuthology,ktdreyer/teuthology,dmick/teuthology,ceph/teuthology,dmick/teuthology,ktdreyer/teuthology,SUSE/teuthology,ceph/teuthology