/// <summary>
/// Configures a mock of the specified type to setup a call matching the specified expression to return a result of the specified type.
/// </summary>
/// <typeparam name="TService">The type of the service.</typeparam>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <param name="fixture">The fixture.</param>
/// <param name="expression">The expression.</param>
/// <param name="result">The result.</param>
/// <param name="composer">The composer.</param>
/// <param name="parameters">The parameters.</param>
/// <returns></returns>
public static ITestFixture HavingMockedAsync <TService, TResult>(
this ITestFixture fixture,
Expression <Func <TService, Task <TResult> > > expression,
out TResult result,
Action <Faker, TResult> composer = null,
params Parameter[] parameters)
where TService : class =>
fixture.HavingModel(out result, composer)
.HavingMockedAsync(expression, result, parameters);