def test_valid_iso_code_returns_name(self):
    assert (country_iso_code_to_name('ITA') == 'Italy')
    assert (country_iso_code_to_name('DEU') == 'Germany')
    assert (country_iso_code_to_name('GBR') == 'United Kingdom')
def test_valid_iso_code_returns_name(self):
    assert (country_iso_code_to_name('ITA') == 'Italy')
    assert (country_iso_code_to_name('DEU') == 'Germany')
    assert (country_iso_code_to_name('GBR') == 'United Kingdom')