make localisation of results explicit

Localisation was previously done as part of the formatting but might
also be useful on its own when working with the results directly.

test/python/api/test_result_formatting_v1.py

@@ -75,11 +75,14 @@ def test_search_details_minimal():
            {'category': 'place',
             'type': 'thing',
             'admin_level': 15,
+            'names': {},
             'localname': '',
             'calculated_importance': pytest.approx(0.0000001),
             'rank_address': 30,
             'rank_search': 30,
             'isarea': False,
+            'addresstags': {},
+            'extratags': {},
             'centroid': {'type': 'Point', 'coordinates': [1.0, 2.0]},
             'geometry': {'type': 'Point', 'coordinates': [1.0, 2.0]},
            }
@@ -108,6 +111,7 @@ def test_search_details_full():
                   country_code='ll',
                   indexed_date = import_date
                   )
+    search.localize(napi.Locales())
 
     result = api_impl.format_result(search, 'json', {})
 

test/python/api/test_result_formatting_v1_reverse.py

@@ -101,6 +101,7 @@ def test_format_reverse_with_address(fmt):
                                                     rank_address=10,
                                                     distance=0.0)
                                  ]))
+    reverse.localize(napi.Locales())
 
     raw = api_impl.format_result(napi.ReverseResults([reverse]), fmt,
                                  {'addressdetails': True})
@@ -164,6 +165,8 @@ def test_format_reverse_geocodejson_special_parts():
                                                     distance=0.0)
                                  ]))
 
+    reverse.localize(napi.Locales())
+
     raw = api_impl.format_result(napi.ReverseResults([reverse]), 'geocodejson',
                                  {'addressdetails': True})