code: def test_train(self):
      self.model.train(self.data, epochs=50)
      assert self.model
  
file_path: nlp-architect/tests/test_utils_embedding.py
imports: import numpy
  from nlp_architect.utils.embedding import FasttextEmbeddingsModel
  from nlp_architect.utils.testing import NLPArchitectTestCase
label_desc: Use image node_id 2 for calling the TestFasttextEmbeddingModel obj's underlying member method code with example usage: obj.test_train() without return types