/// <summary>
 /// Adds an assertion to the specified fixture that the JSON result will be equivalent to the specified model.
 /// </summary>
 /// <typeparam name="TModel">The type of the model.</typeparam>
 /// <param name="fixture">The fixture.</param>
 /// <param name="model">The model.</param>
 /// <returns></returns>
 public static IMvcFunctionalTestFixture ShouldReturnEquivalentResponse <TModel>(this IMvcFunctionalTestFixture fixture, TModel model) =>
 fixture.ShouldReturnEquivalentResponse <TModel, TModel>(model);