From b88dbe8f49745a26ee92476408e17cc0c2d40693 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christoph=20B=C3=BCscher?= <christoph@elastic.co>
Date: Fri, 27 Oct 2017 12:06:16 +0200
Subject: [PATCH] [Tests] Fix occasional test failure due to two random values
 being the same

---
 .../aggregations/matrix/stats/InternalMatrixStatsTests.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/aggs-matrix-stats/src/test/java/org/elasticsearch/search/aggregations/matrix/stats/InternalMatrixStatsTests.java b/modules/aggs-matrix-stats/src/test/java/org/elasticsearch/search/aggregations/matrix/stats/InternalMatrixStatsTests.java
index 69e14c14a7c..6ff132b32fa 100644
--- a/modules/aggs-matrix-stats/src/test/java/org/elasticsearch/search/aggregations/matrix/stats/InternalMatrixStatsTests.java
+++ b/modules/aggs-matrix-stats/src/test/java/org/elasticsearch/search/aggregations/matrix/stats/InternalMatrixStatsTests.java
@@ -193,7 +193,7 @@ public class InternalMatrixStatsTests extends InternalAggregationTestCase<Intern
         }
 
         final String unknownField = randomAlphaOfLength(3);
-        final String other = randomAlphaOfLength(3);
+        final String other = randomValueOtherThan(unknownField, () -> randomAlphaOfLength(3));
 
         for (MatrixStats matrix : Arrays.asList(actual)) {