code: def test_get_external_id(self):
      self.submissions.init_from_storage_write_to_datastore()
      assertCountEqual(
          self,
          [3, "baseline_adv_train"],
          [
              self.submissions.get_external_id("SUBD000"),
              self.submissions.get_external_id("SUBD001"),
          ],
      )
      assertCountEqual(
          self,
          [1, "baseline_nt"],
          [
              self.submissions.get_external_id("SUBA000"),
              self.submissions.get_external_id("SUBA001"),
          ],
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import unittest
  from six import assertCountEqual
  from eval_lib import submissions
  from eval_lib.tests import fake_cloud_client
label_desc: Use image node_id 8 for calling the SubmissionsTest obj's underlying member method code with example usage: obj.test_get_external_id() without return types