code: def test_get_model_directory_noargs(self):
      testExperiment = "testExperiment"
      testPath = os.path.join(
          os.path.expanduser("~"),
          ".studioml/experiments",
          testExperiment,
          "modeldir",
      )
  
      os.environ["STUDIOML_EXPERIMENT"] = testExperiment
      self.assertTrue(testPath == fs_tracker.get_model_directory())
  
imports: import unittest
  import os
  from studio import fs_tracker
label_desc: Use image node_id 2 for calling the StudioLoggingTest obj's underlying member method code with example usage: obj.test_get_model_directory_noargs() without return types