public void CreateColumnFromMerging()
        {
            MutableDataTable dt = GetTable();

            Column c = dt.CreateColumnFromMerging("fullname", "first", "last");

            Assert.Equal("fullname", c.Name);

            AnalyzeTests.AssertEquals(
                @"first,last,fullname
Bob,Smith,Bob Smith
Fred,Jones,Fred Jones
", dt);
        }