public void ContainsAttribute_Returns_False_If_Config_Is_Empty()
 {
     Assert.False(_emptyConfig.ContainsAttribute("valuesCanBeAnything", "valuesCanBeAnything"));
 }
 public void ContainsAttribute_Returns_True_If_Attribute_Exists()
 {
     Assert.True(_validConfig.ContainsAttribute("configuration/appSettings/add", "key"));
 }