public void SetEachListAsIEnumerableRunsActionAgainstInstanceTest()
{
var index = 0;
var target = new List<Person>
{
new Person(),
new Person()
};
var actual = target.SetEach(x =>
{
index++;
x.Priority = index;
});
actual.Should().BeSameAs(target);
actual.Count.Should().Be(2);
actual[0].Priority.Should().Be(1);
actual[1].Priority.Should().Be(2);
}