Fix issue with collecting logs if node is not available (#1419)
Fix issue with collecting logs if node is not available (#1419)

During log collecting, first command which is run is creating remote
directory. if node is not available for any reasons, this command failed
and all process of collection entities are interupted.
Fix is resolve this issue, and at least local files will be found
and collected.
amoskong/scylla-cluster-tests,amoskong/scylla-cluster-tests,scylladb/scylla-longevity-tests,amoskong/scylla-cluster-tests,amoskong/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests,amoskong/scylla-cluster-tests,scylladb/scylla-cluster-tests