diff --git a/opensearch-search-quality-evaluation-plugin/src/test/java/org/opensearch/eval/metrics/DcgSearchMetricTest.java b/opensearch-search-quality-evaluation-plugin/src/test/java/org/opensearch/eval/metrics/DcgSearchMetricTest.java
index bed5b2d..f3755f3 100644
--- a/opensearch-search-quality-evaluation-plugin/src/test/java/org/opensearch/eval/metrics/DcgSearchMetricTest.java
+++ b/opensearch-search-quality-evaluation-plugin/src/test/java/org/opensearch/eval/metrics/DcgSearchMetricTest.java
@@ -16,7 +16,7 @@ public class DcgSearchMetricTest extends OpenSearchTestCase {
 
     public void testCalculate() {
 
-        final int k = 5;
+        final int k = 10;
         final List<Double> relevanceScores = List.of(1.0, 2.0, 3.0, 1.0, 2.0, 3.0, 1.0, 2.0, 3.0, 0.0);
 
         final DcgSearchMetric dcgSearchMetric = new DcgSearchMetric(k, relevanceScores);
@@ -26,4 +26,16 @@ public void testCalculate() {
 
     }
 
+    public void testCalculateAllZeros() {
+
+        final int k = 10;
+        final List<Double> relevanceScores = List.of(0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
+
+        final DcgSearchMetric dcgSearchMetric = new DcgSearchMetric(k, relevanceScores);
+        final double dcg = dcgSearchMetric.calculate();
+
+        assertEquals(0.0, dcg, 0.0);
+
+    }
+
 }
diff --git a/opensearch-search-quality-evaluation-plugin/src/test/java/org/opensearch/eval/metrics/NdcgSearchMetricTest.java b/opensearch-search-quality-evaluation-plugin/src/test/java/org/opensearch/eval/metrics/NdcgSearchMetricTest.java
index b0d672b..08795f8 100644
--- a/opensearch-search-quality-evaluation-plugin/src/test/java/org/opensearch/eval/metrics/NdcgSearchMetricTest.java
+++ b/opensearch-search-quality-evaluation-plugin/src/test/java/org/opensearch/eval/metrics/NdcgSearchMetricTest.java
@@ -16,7 +16,7 @@ public class NdcgSearchMetricTest extends OpenSearchTestCase {
 
     public void testCalculate() {
 
-        final int k = 5;
+        final int k = 10;
         final List<Double> relevanceScores = List.of(1.0, 2.0, 3.0, 1.0, 2.0, 3.0, 1.0, 2.0, 3.0, 0.0);
 
         final NdcgSearchMetric ndcgSearchMetric = new NdcgSearchMetric(k, relevanceScores);
@@ -26,4 +26,16 @@ public void testCalculate() {
 
     }
 
+    public void testCalculateAllZeros() {
+
+        final int k = 10;
+        final List<Double> relevanceScores = List.of(0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
+
+        final NdcgSearchMetric ndcgSearchMetric = new NdcgSearchMetric(k, relevanceScores);
+        final double ndcg = ndcgSearchMetric.calculate();
+
+        assertEquals(0.0, ndcg, 0.0);
+
+    }
+
 }
diff --git a/opensearch-search-quality-evaluation-plugin/src/test/java/org/opensearch/eval/metrics/PrecisionSearchMetricTest.java b/opensearch-search-quality-evaluation-plugin/src/test/java/org/opensearch/eval/metrics/PrecisionSearchMetricTest.java
index 14f6c9a..b6c260f 100644
--- a/opensearch-search-quality-evaluation-plugin/src/test/java/org/opensearch/eval/metrics/PrecisionSearchMetricTest.java
+++ b/opensearch-search-quality-evaluation-plugin/src/test/java/org/opensearch/eval/metrics/PrecisionSearchMetricTest.java
@@ -16,14 +16,14 @@ public class PrecisionSearchMetricTest extends OpenSearchTestCase {
 
     public void testCalculate() {
 
-        final int k = 5;
+        final int k = 10;
         final double threshold = 1.0;
         final List<Double> relevanceScores = List.of(1.0, 2.0, 3.0, 1.0, 2.0, 3.0, 1.0, 2.0, 3.0, 0.0);
 
         final PrecisionSearchMetric precisionSearchMetric = new PrecisionSearchMetric(k, threshold, relevanceScores);
         final double precision = precisionSearchMetric.calculate();
 
-        assertEquals(1.8, precision, 0.0);
+        assertEquals(0.9, precision, 0.0);
 
     }