code: def test_import(self):
      var_names = [
          item
          for item in list(dir(Factory))
          if item.startswith("SUPPORTED")
      ]
      for var_name in var_names:
          mod_table = Factory.__dict__[var_name]
          for mod_name in list(mod_table):
              Factory.select_module(mod_name, "test", mod_table)
  
imports: from __future__ import absolute_import, print_function
  import tensorflow
  import niftynet.engine.application_factory
  from tests.niftynet_testcase import NiftyNetTestCase
label_desc: Use image node_id 1 for calling the FactoryTest obj's underlying member method code with example usage: obj.test_import() without return types