Rename random ASCII helper methods

This commit renames the random ASCII helper methods in ESTestCase. This
is because this method ultimately uses the random ASCII methods from
randomized runner, but these methods actually only produce random
strings generated from [a-zA-Z].

Relates #23886

1 files changed, 1 insertions, 1 deletions

diff --git a/core/src/test/java/org/elasticsearch/search/internal/ShardSearchTransportRequestTests.java b/core/src/test/java/org/elasticsearch/search/internal/ShardSearchTransportRequestTests.java
index d0132cca7a..b93b3795cb 100644
--- a/core/src/test/java/org/elasticsearch/search/internal/ShardSearchTransportRequestTests.java
+++ b/core/src/test/java/org/elasticsearch/search/internal/ShardSearchTransportRequestTests.java
@@ -87,7 +87,7 @@ public class ShardSearchTransportRequestTests extends AbstractSearchTestCase {
 
     private ShardSearchTransportRequest createShardSearchTransportRequest() throws IOException {
         SearchRequest searchRequest = createSearchRequest();
-        ShardId shardId = new ShardId(randomAsciiOfLengthBetween(2, 10), randomAsciiOfLengthBetween(2, 10), randomInt());
+        ShardId shardId = new ShardId(randomAlphaOfLengthBetween(2, 10), randomAlphaOfLengthBetween(2, 10), randomInt());
         final AliasFilter filteringAliases;
         if (randomBoolean()) {
             String[] strings = generateRandomStringArray(10, 10, false, false);