docstr: If no parameters are passed to the filter,
  then all statements should be returned.
docstr_tok: ["If","no","parameters","are","passed","to","the","filter",",","then","all","statements","should","be","returned","."]
code: def test_filter_no_parameters(self):
      """
      If no parameters are passed to the filter,
      then all statements should be returned.
      """
      self.adapter.create(text="Testing...")
      self.adapter.create(text="Testing one, two, three.")
  
      results = list(self.adapter.filter())
  
      self.assertEqual(len(results), 2)
  
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 6 for calling the DjangoAdapterFilterTests obj's underlying member method code with example usage: obj.test_filter_no_parameters() without return types