code: def test_get_country_holidays():
      assert (
          issubclass(
              hdays_utils.get_country_holidays("TU").__class__,
              holidays.countries.turkey.TR,
          )
          is True
      )
  
      for country in ("UnitedStates", "US", "USA"):
          us_holidays = hdays_utils.get_country_holidays(
              country, years=2019
          )
          assert (
              issubclass(
                  us_holidays.__class__,
                  holidays.countries.united_states.UnitedStates,
              )
              is True
          )
          assert len(us_holidays) == 10
  
      with pytest.raises(AttributeError):
          hdays_utils.get_country_holidays("NotSupportedCountry")
  
imports: import holidays
  import pytest
  from neuralprophet import hdays_utils
label_desc: Use image node_id 1 for calling a global function with example usage: test_get_country_holidays() without return types