code: def test_remainder_default():
      component = Remainder()
      results = component.run(value=4)
      assert results == {"remainder_is_1": 4}
  
imports: import pytest
  from haystack.testing.sample_components import Remainder
  from haystack.core.serialization import component_to_dict, component_from_dict
label_desc: Use image node_id 1 for calling a global function with example usage: test_remainder_default() without return types