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/modules/ingest-common/src/test/java/org/elasticsearch/ingest/common/JoinProcessorFactoryTests.java b/modules/ingest-common/src/test/java/org/elasticsearch/ingest/common/JoinProcessorFactoryTests.java
index 68b2daecb4..0eda639afc 100644
--- a/modules/ingest-common/src/test/java/org/elasticsearch/ingest/common/JoinProcessorFactoryTests.java
+++ b/modules/ingest-common/src/test/java/org/elasticsearch/ingest/common/JoinProcessorFactoryTests.java
@@ -34,7 +34,7 @@ public class JoinProcessorFactoryTests extends ESTestCase {
         Map<String, Object> config = new HashMap<>();
         config.put("field", "field1");
         config.put("separator", "-");
-        String processorTag = randomAsciiOfLength(10);
+        String processorTag = randomAlphaOfLength(10);
         JoinProcessor joinProcessor = factory.create(null, processorTag, config);
         assertThat(joinProcessor.getTag(), equalTo(processorTag));
         assertThat(joinProcessor.getField(), equalTo("field1"));