Test for doc generated by serpyco is unconsistent with last version of hapic/apispec_plugin

[inkhey]

With last version for hapic/apispec-serpyco (not released yet), tests

test_func__test_fake_api_doc_ok__aiohttp_serpyco

is unconsistent. sometime it work correctly, sometime it just failed:
Issue may come from apispec_serpyco.

test_client = <function aiohttp_client.<locals>.go at 0x7f22a4a32950>

    async def test_func__test_fake_api_doc_ok__aiohttp_serpyco(test_client):
        app = web.Application()
        controllers = AiohttpSerpycoController()
        controllers.bind(app)
        hapic = get_aiohttp_serpyco_app_hapic(app)
        doc = hapic.generate_doc(
            title="Fake API", description="just an example of hapic API"
        )
        # FIXME BS 2018-11-26: Test produced doc atomic
>       assert serpyco_SWAGGER_DOC_API == doc
E       AssertionError: assert {'definitions...er'}})]), ...} == {'definitions'...er'}})]), ...}
E         Common items:
E         {'info': {'description': 'just an example of hapic API',
E                   'title': 'Fake API',
E                   'version': '1.0.0'},
E          'parameters': {},
E          'paths': OrderedDict([('/about',
E                                 {'get': {'description': 'General information about '
E                                                         'this API.',
E                                          'responses': {200: {'description': '200',
E                                                              'schema': {'$ref': '#/definitions/AboutResponseSchema'}}}}}),
E                                ('/users',
E                                 {'get': {'description': 'Obtain users list.',
E                                          'responses': {200: {'description': '200',
E                                                              'schema': {'$ref': '#/definitions/ListsUserSchema'}}}}}),
E                                ('/users2',
E                                 {'get': {'description': 'Obtain users list.',
E                                          'responses': {200: {'description': '200',
E                                                              'schema': {'$ref': '#/definitions/UserSchema_exclude_first_name_last_name_email_address'}}}}}),
E                                ('/users/{id}',
E                                 {'delete': {'description': 'delete user',
E                                             'parameters': [{'in': 'path',
E                                                             'minimum': 1,
E                                                             'name': 'id',
E                                                             'required': True,
E                                                             'type': 'integer'}],
E                                             'responses': {204: {'description': '204',
E                                                                 'schema': {'$ref': '#/definitions/NoContentSchema'}}}},
E                                  'get': {'description': 'Obtain one user',
E                                          'parameters': [{'in': 'path',
E                                                          'minimum': 1,
E                                                          'name': 'id',
E                                                          'required': True,
E                                                          'type': 'integer'}],
E                                          'responses': {200: {'description': '200',
E                                                              'schema': {'$ref': '#/definitions/UserSchema'}}}}}),
E                                ('/users/',
E                                 {'post': {'description': 'Add new user',
E                                           'parameters': [{'in': 'body',
E                                                           'name': 'body',
E                                                           'schema': {'$ref': '#/definitions/UserSchema_exclude_id'}}],
E                                           'responses': {200: {'description': '200',
E                                                               'schema': {'$ref': '#/definitions/UserSchema'}}}}})]),
E          'responses': {},
E          'securityDefinitions': {},
E          'swagger': '2.0',
E          'tags': []}
E         Differing items:
E         {'definitions': {'AboutResponseSchema': {'description': 'A docstring to prevent auto generated docstring', 'properties...integer'}, 'last_id': {'type': 'integer'}}, 'required': ['first_id', 'last_id', 'current_id'], 'type': 'object'}, ...}} != {'definitions': {'AboutResponseSchema': {'description': 'A docstring to prevent auto generated docstring', 'properties...integer'}, 'last_id': {'type': 'integer'}}, 'required': ['first_id', 'last_id', 'current_id'], 'type': 'object'}, ...}}
E         Full diff:
E         {'definitions': {'AboutResponseSchema': {'description': 'A docstring to '
E         'prevent auto '
E         'generated docstring',
E         'properties': {'datetime': {'format': 'date-time',
E         'type': 'string'},
E         'version': {'type': 'string'}},
E         'required': ['datetime', 'version'],
E         'type': 'object'},
E         'ListsUserSchema': {'description': 'A docstring to prevent '
E         'auto generated docstring',
E         'properties': {'item_nb': {'minimum': 0,
E         'type': 'integer'},
E         'items': {'items': {'$ref': '#/definitions/UserSchema_exclude_first_name_last_name_email_address'},
E         'type': 'array'},
E         'pagination': {'$ref': '#/definitions/PaginationSchema'}},
E         'required': ['item_nb',
E         'items',
E         'pagination'],
E         'type': 'object'},
E         'NoContentSchema': {'description': 'A docstring to prevent '
E         'auto generated docstring',
E         'properties': {},
E         'type': 'object'},
E         'PaginationSchema': {'description': 'A docstring to prevent '
E         'auto generated docstring',
E         'properties': {'current_id': {'type': 'integer'},
E         'first_id': {'type': 'integer'},
E         'last_id': {'type': 'integer'}},
E         'required': ['first_id',
E         'last_id',
E         'current_id'],
E         'type': 'object'},
E         'UserPathSchema': {'description': 'A docstring to prevent '
E         'auto generated docstring',
E         'properties': {'id': {'minimum': 1,
E         'type': 'integer'}},
E         'required': ['id'],
E         'type': 'object'},
E         'UserSchema': {'description': 'A docstring to prevent auto '
E         'generated docstring',
E         'properties': {'company': {'type': 'string'},
E         'display_name': {'type': 'string'},
E         'email_address': {'format': <StringFormat.EMAIL: 'email'>,
E         'type': 'string'},
E         'first_name': {'type': 'string'},
E         'id': {'type': 'integer'},
E         'last_name': {'type': 'string'},
E         'username': {'pattern': '[\\w-]+',
E         'type': 'string'}},
E         'required': ['company',
E         'display_name',
E         'email_address',
E         'first_name',
E         'last_name',
E         'username'],
E         'type': 'object'},
E         'UserSchema_exclude_first_name_last_name_email_address': {'description': 'A '
E         'docstring '
E         'to '
E         'prevent '
E         'auto '
E         'generated '
E         'docstring',
E         'properties': {'company': {'type': 'string'},
E         'display_name': {'type': 'string'},
E         -                                                                                           'id': {'type': 'integer'},
E         +                                                                                           'id': {'anyOf': [{'type': 'integer'},
E         ?                                                                                                 +++++++++++
E         +                                                                                                            {'type': 'null'}],
E         +                                                                                                  'default': None},
E         'username': {'pattern': '[\\w-]+',
E         'type': 'string'}},
E         -                                                                            'required': ['company',
E         ?                                                                                          ^^ ^^^^
E         +                                                                            'required': ['display_name',
E         ?                                                                                          ^^^^^^^^^^ ^
E         -                                                                                         'display_name',
E         ?                                                                                          ^^^ -  -----
E         +                                                                                         'company',
E         ?                                                                                          ^^^  +
E         'username'],
E         'type': 'object'},
E         'UserSchema_exclude_id': {'description': 'A docstring to '
E         'prevent auto '
E         'generated docstring',
E         'properties': {'company': {'type': 'string'},
E         'display_name': {'type': 'string'},
E         'email_address': {'format': <StringFormat.EMAIL: 'email'>,
E         'type': 'string'},
E         'first_name': {'type': 'string'},
E         'last_name': {'type': 'string'},
E         'username': {'pattern': '[\\w-]+',
E         'type': 'string'}},
E         'required': ['company',
E         'display_name',
E         'email_address',
E         'first_name',
E         'last_name',
E         'username'],
E         'type': 'object'}},
E         'info': {'description': 'just an example of hapic API',
E         'title': 'Fake API',
E         'version': '1.0.0'},
E         'parameters': {},
E         'paths': OrderedDict([('/about',
E         {'get': {'description': 'General information about '
E         'this API.',
E         'responses': {200: {'description': '200',
E         'schema': {'$ref': '#/definitions/AboutResponseSchema'}}}}}),
E         ('/users',
E         {'get': {'description': 'Obtain users list.',
E         'responses': {200: {'description': '200',
E         'schema': {'$ref': '#/definitions/ListsUserSchema'}}}}}),
E         ('/users2',
E         {'get': {'description': 'Obtain users list.',
E         'responses': {200: {'description': '200',
E         'schema': {'$ref': '#/definitions/UserSchema_exclude_first_name_last_name_email_address'}}}}}),
E         ('/users/{id}',
E         {'delete': {'description': 'delete user',
E         'parameters': [{'in': 'path',
E         'minimum': 1,
E         'name': 'id',
E         'required': True,
E         'type': 'integer'}],
E         'responses': {204: {'description': '204',
E         'schema': {'$ref': '#/definitions/NoContentSchema'}}}},
E         'get': {'description': 'Obtain one user',
E         'parameters': [{'in': 'path',
E         'minimum': 1,
E         'name': 'id',
E         'required': True,
E         'type': 'integer'}],
E         'responses': {200: {'description': '200',
E         'schema': {'$ref': '#/definitions/UserSchema'}}}}}),
E         ('/users/',
E         {'post': {'description': 'Add new user',
E         'parameters': [{'in': 'body',
E         'name': 'body',
E         'schema': {'$ref': '#/definitions/UserSchema_exclude_id'}}],
E         'responses': {200: {'description': '200',
E         'schema': {'$ref': '#/definitions/UserSchema'}}}}})]),
E         'responses': {},
E         'securityDefinitions': {},
E         'swagger': '2.0',
E         'tags': []}