public async Task GetCountries() { var result = await _client.GetCountriesAsync(CancellationToken.None); var metadata = _client.UsageData; Assert.Equal("Success", metadata.Message); Assert.True(metadata.Used > 0); var list = result.ToList(); Assert.True(list.Any()); Assert.Contains(list, country => country.Name.Equals("Brazil")); Assert.Contains(list, country => country.Name.Equals("Argentina")); Assert.Contains(list, country => country.Code.Equals("BR")); Assert.Contains(list, country => country.Flag.Equals("https://www.countryflags.io/BR/flat/64.png")); }