public void EmptyCollection()
            {
                var fieldCollection = new FieldCollection();

                var properties = fieldCollection.GetProperties();

                Assert.Equal(new string[] {}, properties);
            }
            public void FromCollection()
            {
                var fieldCollection = new FieldCollection();
                fieldCollection.Add(new FieldConfiguration { Field = "Bob" });
                fieldCollection.Add(new FieldConfiguration { Field = "Marley" });

                var properties = fieldCollection.GetProperties();

                Assert.Equal(new [] { "Bob", "Marley" }, properties);
            }