Expect three Person objects to return

PersonControllerSpec.Get_NoArgs_ReturnsAllPeople.cs

[Fact]
public void Get_NoArgs_ReturnsAllPeople()
{
    var people = new List<Person>
    {
        new Person {Name = "Johan", Age = 37},
        new Person {Name = "Angela", Age = 34},
        new Person {Name = "Robert", Age = 36}
    };

    // Setup repository to return an empty list
    this._repository.Setup(r => r.FindAll())
        .Returns(people);

    // Pass the mock repository to the controllers constructor
    var controller = new PersonController(this._repository.Object);

    // Call controller to get values
    var result = controller.Get().Value;

    // Assert the values
    result.Should().BeOfType<List<Person>>();
    result.Should().HaveCount(3);
    result.Should().BeEquivalentTo(people);
}