public void Put_invalid_data_returns_bad_request()
{
// Arrange
var invalidConfig = new ConfigVM()
{
id = 3, key = "fake key"
};
_controller.ModelState.AddModelError("value", "Required");
// Act
var result = _controller.Put(invalidConfig.id, invalidConfig);
// Assert
Assert.IsInstanceOfType(result.Result, typeof(BadRequestObjectResult));
}