bdd: recreate functions on template DB

Avoids calling function refresh on every scenario. The content won't
change between runs.

test/bdd/steps/nominatim_environment.py

@@ -172,11 +172,9 @@ class NominatimEnvironment:
 
         self.template_db_done = True
 
-        if self._reuse_or_drop_db(self.template_db):
-            return
-
         self.write_nominatim_config(self.template_db)
 
+        if not self._reuse_or_drop_db(self.template_db):
             try:
                 # execute nominatim import on an empty file to get the right tables
                 with tempfile.NamedTemporaryFile(dir='/tmp', suffix='.xml') as fd:
@@ -190,6 +188,8 @@ class NominatimEnvironment:
                 self.db_drop_database(self.template_db)
                 raise
 
+        self.run_nominatim('refresh', '--functions')
+
 
     def setup_api_db(self):
         """ Setup a test against the API test database.

test/bdd/steps/steps_db_ops.py

@@ -93,7 +93,6 @@ def add_data_to_planet_ways(context):
 def import_and_index_data_from_place_table(context):
     """ Import data previously set up in the place table.
     """
-    context.nominatim.run_nominatim('refresh', '--functions')
     context.nominatim.run_nominatim('import', '--continue', 'load-data',
                                               '--index-noanalyse', '-q',
                                               '--offline')