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, 3 insertions, 3 deletions

diff --git a/core/src/test/java/org/elasticsearch/search/suggest/phrase/DirectCandidateGeneratorTests.java b/core/src/test/java/org/elasticsearch/search/suggest/phrase/DirectCandidateGeneratorTests.java
index 6c30ccb457..10022cc289 100644
--- a/core/src/test/java/org/elasticsearch/search/suggest/phrase/DirectCandidateGeneratorTests.java
+++ b/core/src/test/java/org/elasticsearch/search/suggest/phrase/DirectCandidateGeneratorTests.java
@@ -177,7 +177,7 @@ public class DirectCandidateGeneratorTests extends ESTestCase {
      * create random {@link DirectCandidateGeneratorBuilder}
      */
     public static DirectCandidateGeneratorBuilder randomCandidateGenerator() {
-        DirectCandidateGeneratorBuilder generator = new DirectCandidateGeneratorBuilder(randomAsciiOfLength(10));
+        DirectCandidateGeneratorBuilder generator = new DirectCandidateGeneratorBuilder(randomAlphaOfLength(10));
         maybeSet(generator::accuracy, randomFloat());
         maybeSet(generator::maxEdits, randomIntBetween(1, 2));
         maybeSet(generator::maxInspections, randomIntBetween(1, 20));
@@ -185,8 +185,8 @@ public class DirectCandidateGeneratorTests extends ESTestCase {
         maybeSet(generator::minDocFreq, randomFloat());
         maybeSet(generator::minWordLength, randomIntBetween(1, 20));
         maybeSet(generator::prefixLength, randomIntBetween(1, 20));
-        maybeSet(generator::preFilter, randomAsciiOfLengthBetween(1, 20));
-        maybeSet(generator::postFilter, randomAsciiOfLengthBetween(1, 20));
+        maybeSet(generator::preFilter, randomAlphaOfLengthBetween(1, 20));
+        maybeSet(generator::postFilter, randomAlphaOfLengthBetween(1, 20));
         maybeSet(generator::size, randomIntBetween(1, 20));
         maybeSet(generator::sort, randomFrom("score", "frequency"));
         maybeSet(generator::stringDistance, randomFrom("internal", "damerau_levenshtein", "levenstein", "jarowinkler", "ngram"));