Option to copy file from test server's get_accessor method

model_server/conf/testing.py

@@ -131,11 +131,12 @@ class TestServerBaseClass(unittest.TestCase):
         )
         return self.input_data['name']
 
-    def get_accessor(self, accessor_id, filename=None):
+    def get_accessor(self, accessor_id, filename=None, copy_to=None):
         r = self.assertPutSuccess(f'/accessors/write_to_file/{accessor_id}', query={'filename': filename})
-        where_out = self.assertGetSuccess('paths')['outbound_images']
-        fp_out = (Path(where_out) / r)
+        fp_out = Path(self.assertGetSuccess('paths')['outbound_images']) / r
         self.assertTrue(fp_out.exists())
+        if copy_to:
+            copyfile(fp_out, Path(copy_to) / f'normal_{fp_out.name}')
         return generate_file_accessor(fp_out)