docstr: Test that it can be called without any parameters.
docstr_tok: ["Test","that","it","can","be","called","without","any","parameters","."]
code: def test_without_parameters(self):
      """Test that it can be called without any parameters."""
      st.container()
      container_block = self.get_delta_from_queue()
      self.assertEqual(container_block.add_block.vertical.border, False)
      self.assertEqual(container_block.add_block.allow_empty, False)
  
imports: import streamlit
  from streamlit.errors import StreamlitAPIException
  from tests.delta_generator_test_case import DeltaGeneratorTestCase
label_desc: Use image node_id 2 for calling the ContainerTest obj's underlying member method code with example usage: obj.test_without_parameters() without return types