test.py: fix undefined variable 'options' in write_xunit_report()
test.py: fix undefined variable 'options' in write_xunit_report()

scylladb/scylla,scylladb/scylla,avikivity/scylla,avikivity/scylla,scylladb/scylla,scylladb/scylla,avikivity/scylla