public void Try_Create_Existing_ConfigurationVariable()
{
var createResult = ExistingDataDataApi.CreateConfigurationVariable(ApplicationSlug, "somekey", "somevalue");
Assert.IsNotNull(createResult);
Assert.AreEqual(CreateStatus.AlreadyExists, createResult.Status);
Assert.IsNull(createResult.Id);
Assert.AreEqual(null, createResult.Location);
}