Merge branch 'bw_hive_sync_critical_fix' into 'develop'

Fixed critical bug in testing option processing leading whole hive sync to fail.

See merge request !404

hive/indexer/sync.py

@@ -280,7 +280,7 @@ class Sync:
 
         Community.start_block = self._conf.get("community_start_block")
 
-        paths = self._conf.get("mock_block_data_path")
+        paths = self._conf.get("mock_block_data_path") or []
         for path in paths:
           self.load_mock_data(path)