adding a maml baseline test

test/BaselineOutput/Common/Command/CommandTrainRanking-summary2.txt

@@ -0,0 +1,12 @@
+#@ TextLoader{
+#@   header+
+#@   sep=tab
+#@   col=NDCG:R8:0-9
+#@   col=DCG:R8:10-19
+#@   col={name={Fold Index} type=TX src=20}
+#@ }
+NDCG@1	NDCG@2	NDCG@3	NDCG@4	NDCG@5	NDCG@6	NDCG@7	NDCG@8	NDCG@9	NDCG@10	DCG@1	DCG@2	DCG@3	DCG@4	DCG@5	DCG@6	DCG@7	DCG@8	DCG@9	DCG@10	Fold Index
+0.47412491562447456	0.4719357410981887	0.47543961782034327	0.48089345697106028	0.48776440826942524	0.49343209460325765	0.49879601065292078	0.50419344126796073	0.50933717558985403	0.51452470414727791	9.7472027801286938	14.182900214917305	17.149757037474153	19.508035827118427	21.532449245734401	23.266676880999444	24.808797414614865	26.196851963285635	27.463201584793453	28.628843617965828	Average
+0.001592283158454337	0.0011332986839019653	0.0004153153408829224	0.00054118433592205883	0.00017552254806811829	6.3737418432819389E-05	0.00068125927701142685	0.00029595376508887149	5.828811104620942E-05	5.8705420456141367E-05	0.032268867133279942	0.05073621600715323	0.027242433849222782	0.0085466158360746735	0.018045238326612048	0.044258533338137479	0.045093838642232098	0.061173773545056688	0.073040019424083974	0.07607796723154947	Standard Deviation
+0.47571719878292618	0.47306903978207127	0.47585493316122129	0.48143464130699215	0.48793993081758941	0.49349583202184949	0.49947726992992481	0.50448939503299484	0.50939546370071986	0.51458340956802318	9.7794716472619427	14.233636430924651	17.176999471321892	19.516582442956842	21.514404007406711	23.222418347660543	24.763703575971959	26.135678189739878	27.390161565369567	28.55276565073514	Fold 0
+0.47253263246602295	0.47080244241430619	0.47502430247946525	0.48035227263512842	0.48758888572126102	0.49336835718466576	0.49811475137591676	0.50389748750292673	0.5092788874789882	0.51446599872653265	9.7149339129954448	14.132163998909959	17.122514603626417	19.499489211280007	21.550494484062092	23.310935414338346	24.853891253257768	26.258025736831392	27.536241604217338	28.704921585196519	Fold 1

test/Microsoft.ML.Functional.Tests/Evaluation.cs

@@ -2,10 +2,10 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System.IO;
 using Microsoft.ML.Data;
 using Microsoft.ML.Functional.Tests.Datasets;
 using Microsoft.ML.RunTests;
-using Microsoft.ML.TestFramework;
 using Microsoft.ML.TestFramework.Attributes;
 using Microsoft.ML.Tools;
 using Microsoft.ML.Trainers;
@@ -15,7 +15,7 @@
 
 namespace Microsoft.ML.Functional.Tests
 {
-    public class Evaluation : BaseTestClass
+    public class Evaluation : BaseTestBaseline
     {
         public Evaluation(ITestOutputHelper output): base(output)
         {
@@ -219,23 +219,27 @@ public void TrainAndEvaluateRankingWithOptions()
                 Common.AssertMetrics(metrics);
             }
 
-
         }
 
         [Fact]
         public void EvaluateRankingWithMaml()
         {
             string _mslrWeb10k_Train = GetDataPath(TestDatasets.MSLRWeb.trainFilename);
-
+            string filename = "CommandTrainRanking-summary2.txt";
+            string filepath = GetOutputPath(filename);
+            var subDir = Path.Combine("..", "..", "BaselineOutput", "Common", "Command");
             string cmd = @"CV tr=LightGBMRanking" +
                 " eval=RankingEvaluator{t=10}" +
                 " k=2" +
                 " loader=TextLoader{col=Label:R4:0 col=GroupId:TX:1 col=Features:R4:2-138 header=+}" +
                 " data=" + _mslrWeb10k_Train +
                 " xf = HashTransform{col=GroupId}" +
-                " xf = NAHandleTransform{col=Features}";
+                " xf = NAHandleTransform{col=Features}" +
+                " summaryFilename=" + filepath;
 
             Assert.Equal(0, Maml.Main(new[] { cmd }));
+
+            CheckEquality(subDir,filename);
         }
 
         /// <summary>