Fix ranking test.

Author: michaelgsharp

test/Microsoft.ML.AutoML.Tests/MetricsAgentsTests.cs

@@ -133,8 +133,8 @@ public void RankingMetricsGetScoreTest()
  double[] largeNdcg = { 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.85, 0.9, 0.95 };
  double[] largeDcg = { 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.85, 0.9, 0.95 };
  metrics = MetricsUtil.CreateRankingMetrics(largeDcg, largeNdcg);
- Assert.Equal(0.9, GetScore(metrics, RankingMetric.Dcg, 3));
- Assert.Equal(0.9, GetScore(metrics, RankingMetric.Ndcg, 3));
+ Assert.Equal(0.3, GetScore(metrics, RankingMetric.Dcg, 3));
+ Assert.Equal(0.3, GetScore(metrics, RankingMetric.Ndcg, 3));
  }
 
  [Fact]