public void GetAppSettingReturnsNullForNotFoundSetting()
        {
            var target = new ExternalConfiguration("DocaLabs.Utils.Tests.External.config");

            var result = target.GetAppSetting("very unknown name");

            Assert.IsNull(result);
        }
        public void GetAppSettingReturnsFoundSetting()
        {
            var target = new ExternalConfiguration("DocaLabs.Utils.Tests.External.config");

            var result = target.GetAppSetting("externalKey1");

            Assert.AreEqual("externalValue1", result);
        }