Several similar admin test failures

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ERROR: test_timeout (couchbase_tests.test_sync.transplant_class.<locals>.C)

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Traceback (most recent call last):

  File "/home/ubuntu/couchbase-python-client/couchbase_core/exceptions.py", line 851, in wrapped

    return func(*args, **kwargs)

  File "/home/ubuntu/couchbase-python-client/couchbase/management/users.py", line 239, in get_all_groups

    **forward_args(kwargs, *options))

  File "/home/ubuntu/couchbase-python-client/couchbase/management/admin.py", line 161, in http_request

    timeout=timeout)

couchbase_core.exceptions.HTTPError: <Key='/settings/rbac/groups/', RC=0x3B[HTTP Operation failed. Inspect status code for details], HTTP Request failed. Examine 'objextra' for full result, Results=1, C Source=(src/pycbc_http.c,154), OBJ=HttpResult<rc=0x0, value=b'Not found.', http_status=404, url=/settings/rbac/groups/, tracing_context=0, tracing_output=None>, Tracing Output={":nokey:0": null}>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "/home/ubuntu/couchbase-python-client/couchbase/tests_v3/cases/usermgmt_t.py", line 122, in test_timeout

    self.um.get_all_groups(timeout=0.1)

  File "<boltons.funcutils.FunctionBuilder-31>", line 2, in get_all_groups

  File "/home/ubuntu/couchbase-python-client/couchbase_core/exceptions.py", line 859, in wrapped

    if pattern.match(value):

TypeError: cannot use a string pattern on a bytes-like object

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