public void Test1(string group, int expected)
        {
            var sut = new StreamGroups();

            int dummy;
            var actual = sut.Collect(group, out dummy);

            Assert.That(actual, Is.EqualTo(expected));
        }
        public void Test2(string group, int expected)
        {
            var sut = new StreamGroups();

            int actual;

            sut.Collect(group, out actual);

            Assert.That(actual, Is.EqualTo(expected));
        }