Benchmark NovaServers.boot_and_delete_server has wrong configuration at position 0
	Reason: Invalid scenario argument: 'A username and password or token is required.'
	Benchmark configuration: {'runner': {'type': 'constant', 'concurrency': 1, 'times': 1}, 'args': {'flavor': {'name': 'm1.tiny'}, 'image': {'name': 'cirros-0.3.0-x86_64'}}, 'context': {'users': {'username': 'user', 'tenant_name': 'tenant', 'password': 'secret', 'tenants': 1, 'users_per_tenant': 1}}}