[Fact]
public void When_a_collection_of_key_value_pairs_is_equivalent_to_the_dictionary_it_should_succeed()
{
    // Arrange
    var collection = new List<KeyValuePair<string, int>> { new KeyValuePair<string, int>("hi", 1) };

    // Act / Assert
    Action act = () => collection.Should().BeEquivalentTo(new Dictionary<string, int>()
    {
        { "hi", 2 }
    });

    act.Should().Throw<XunitException>().WithMessage("Expected item[0].Value to be 2, but found 1.*");
}