Investigate and fix the failure in CBL android the test test_replication_push_replication_invalid_authentication

Error Message

Exception: ('Connection aborted.', RemoteDisconnected('Remote end closed connection without response'))

Stacktrace

self = <urllib3.connectionpool.HTTPConnectionPool object at 0x11033a4d0> method = 'POST', url = '/replicator_getError' body = '{"replicator": "@6_10.100.150.21_android"}' headers = {'Content-Type': 'application/json', 'Content-Length': '42'} retries = Retry(total=0, connect=None, read=False, redirect=None, status=None) redirect = False, assert_same_host = False timeout = <urllib3.util.timeout.Timeout object at 0x1102da090> pool_timeout = None, release_conn = False, chunked = False, body_pos = None response_kw = {'decode_content': False, 'preload_content': False}, conn = None release_this_conn = True, err = None, clean_exit = False timeout_obj = <urllib3.util.timeout.Timeout object at 0x1102da550>