allow mirrors if conf is set, but clear it for tests

lbrynet/file_manager/EncryptedFileDownloader.py

@@ -57,7 +57,7 @@ class ManagedEncryptedFileDownloader(EncryptedFileSaver):
         self.channel_name = None
         self.metadata = None
         self.mirror = None
-        if download_mirrors:
+        if download_mirrors or conf.settings['download_mirrors']:
             self.mirror = HTTPBlobDownloader(
                 self.blob_manager, servers=download_mirrors or conf.settings['download_mirrors']
             )

lbrynet/tests/mocks.py

@@ -495,6 +495,7 @@ create_stream_sd_file = {
 
 
 def mock_conf_settings(obj, settings={}):
+    settings.setdefault('download_mirrors', [])
     conf.initialize_settings(False)
     original_settings = conf.settings
     conf.settings = conf.Config(conf.FIXED_SETTINGS, conf.ADJUSTABLE_SETTINGS)