docstr: Test that a matching statement is returned
  when it exists in the database.
docstr_tok: ["Test","that","a","matching","statement","is","returned","when","it","exists","in","the","database","."]
code: def test_filter_statement_found(self):
      """
      Test that a matching statement is returned
      when it exists in the database.
      """
      statement = self.adapter.create(text="New statement")
  
      results = list(self.adapter.filter(text="New statement"))
  
      self.assertEqual(len(results), 1)
      self.assertEqual(results[0].text, statement.text)
  
imports: from django.test import TestCase
  from chatterbot.storage import DjangoStorageAdapter
  from chatterbot.conversation import Statement
  from chatterbot.ext.django_chatterbot.models import Statement
label_desc: Use image node_id 4 for calling the DjangoStorageAdapterTests obj's underlying member method code with example usage: obj.test_filter_statement_found() without return types