climada.util.api_client.Client.NoConnection: there is no internet connection and the client has not found any cached result for this request.
self = <climada.engine.test.test_impact_calc.TestImpactCalc testMethod=test_calc_impact_RF_pass>

    def test_calc_impact_RF_pass(self):
>       haz = Hazard.from_hdf5(get_test_file('test_hazard_US_flood_random_locations'))

climada/engine/test/test_impact_calc.py:206: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
climada/test/__init__.py:50: in get_test_file
    client.list_dataset_infos(name=ds_name, status='test_dataset', version='ANY'),
climada/util/api_client.py:418: in list_dataset_infos
    DatasetInfo.from_json(ds) for ds in self._request_200(url, params=params)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <climada.util.api_client.Client object at 0x7f5802d44fd0>
url = 'https://climada.ethz.ch/data-api/v2/dataset/'
params = {'data_type': None, 'limit': 100000, 'name': 'test_hazard_US_flood_random_locations', 'status': 'test_dataset', ...}

    def _request_200(self, url, params=None):
        """Helper method, triaging successfull and failing requests.
    
        Returns
        -------
        dict
            loaded from the json object of a successful request.
    
        Raises
        ------
        NoResult
            if the response status code is different from 200
        """
        # pylint: disable=no-else-return
    
        if params is None:
            params = dict()
    
        if self.online:
            page = requests.get(url, params=params, timeout=Client.QUERY_TIMEOUT)
            if page.status_code != 200:
                raise Client.NoResult(page.content.decode())
            result = json.loads(page.content.decode())
            if self.cache.enabled:
                self.cache.store(result, url, **params)
            return result
    
        else:  # try to restore previous results from an identical request
            if not self.cache.enabled:
                raise Client.NoConnection(
                    "there is no internet connection and the client does"
                    " not cache results."
                )
            cached_result = self.cache.fetch(url, **params)
            if not cached_result:
>               raise Client.NoConnection(
                    "there is no internet connection and the client has not"
                    " found any cached result for this request."
                )
E               climada.util.api_client.Client.NoConnection: there is no internet connection and the client has not found any cached result for this request.

climada/util/api_client.py:341: NoConnection