public void ContextTranslate_ShouldThrown_WhenKeyLanguageEmpty()
{
// Arrange
var service = new CalingaService(_testCalingaServiceSettings);
var context = new LanguageContext(TestData.Language_DE, service);
// Act
Func <Task> translate = async() => await context.TranslateAsync("").ConfigureAwait(false);
// Assert
translate.Should().Throw <ArgumentNullException>();
}