docstr: client is expected to raise an error and say that the master has not been started
docstr_tok: ["client","is","expected","to","raise","an","error","and","say","that","the","master","has","not","been","started"]
code: def test_not_init(self):
      """client is expected to raise an error and say that the master has not been started"""
  
      def create_actor():
          actor = Actor()
  
      self.assertRaises(AssertionError, create_actor)
  
imports: import unittest
  import parl
label_desc: Use image node_id 1 for calling the TestClient obj's underlying member method code with example usage: obj.test_not_init() without return types