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, 2 insertions, 2 deletions

diff --git a/core/src/test/java/org/elasticsearch/snapshots/SnapshotTests.java b/core/src/test/java/org/elasticsearch/snapshots/SnapshotTests.java
index aceefea97f..3d7277b9c6 100644
--- a/core/src/test/java/org/elasticsearch/snapshots/SnapshotTests.java
+++ b/core/src/test/java/org/elasticsearch/snapshots/SnapshotTests.java
@@ -46,8 +46,8 @@ public class SnapshotTests extends ESTestCase {
     }
 
     public void testSerialization() throws IOException {
-        final SnapshotId snapshotId = new SnapshotId(randomAsciiOfLength(randomIntBetween(2, 8)), UUIDs.randomBase64UUID());
-        final Snapshot original = new Snapshot(randomAsciiOfLength(randomIntBetween(2, 8)), snapshotId);
+        final SnapshotId snapshotId = new SnapshotId(randomAlphaOfLength(randomIntBetween(2, 8)), UUIDs.randomBase64UUID());
+        final Snapshot original = new Snapshot(randomAlphaOfLength(randomIntBetween(2, 8)), snapshotId);
         final BytesStreamOutput out = new BytesStreamOutput();
         original.writeTo(out);
         assertThat(new Snapshot(out.bytes().streamInput()), equalTo(original));