public Should_bind()
            {
                // Arrange
                _services = new ServiceCollection();

                // Act
                _services.AddForEvolvePhantomJsHtmlToPdfConverter();
            }
        public void Should_execute_configuration_action()
        {
            // Arrange
            var services       = new ServiceCollection();
            var executedAction = false;

            // Act
            services.AddForEvolvePhantomJsHtmlToPdfConverter((options) => executedAction = true);

            // Assert
            Assert.True(executedAction, "optionsAction should be invoked by AddPhantomJsHtmlToPdfConverter()");
            services.AssertSingletonServiceExists <HtmlToPdfConverterOptions>();
        }