Showing how to set the return value for method. For http://stackoverflow.com/questions/23267993/fakeiteasy-does-not-allow-to-setup-value-to-return

FakingMethod.cs

public class SomeClass
{
    public virtual int Method(int arg1, int arg2)
    {
        return 7;
    }
}

[TestFixture]
public class TestFixture
{
    [Test]
    public void Should_be_able_to_set_return_value()
    {
        const int param1 = 9;
        var fakeInstanse = A.Fake<SomeClass>();
        A.CallTo(() => fakeInstanse.Method(param1, param1))
            .Returns(8);
        Assert.That(fakeInstanse.Method(param1, param1), Is.EqualTo(8));
    }
}