From e39e0ec64113717f5b092bf5a7b352baa55c65cb Mon Sep 17 00:00:00 2001
From: Richard Dennehy <richard.dennehy@elastic.co>
Date: Fri, 22 Aug 2025 10:43:43 +0100
Subject: [PATCH] fix flaky testInvalidToken

---
 .../xpack/security/authc/AuthenticationServiceTests.java     | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/x-pack/plugin/security/src/test/java/org/elasticsearch/xpack/security/authc/AuthenticationServiceTests.java b/x-pack/plugin/security/src/test/java/org/elasticsearch/xpack/security/authc/AuthenticationServiceTests.java
index 4c2d0587ebdc5..74ab1e704201d 100644
--- a/x-pack/plugin/security/src/test/java/org/elasticsearch/xpack/security/authc/AuthenticationServiceTests.java
+++ b/x-pack/plugin/security/src/test/java/org/elasticsearch/xpack/security/authc/AuthenticationServiceTests.java
@@ -1980,6 +1980,11 @@ public void testInvalidToken() throws Exception {
             when(projectIndex.getUnavailableReason(any())).thenReturn(new ElasticsearchException(getTestName()));
         } else {
             when(projectIndex.isAvailable(any())).thenReturn(true);
+            doAnswer(invocationOnMock -> {
+                Runnable runnable = (Runnable) invocationOnMock.getArguments()[1];
+                runnable.run();
+                return null;
+            }).when(projectIndex).checkIndexVersionThenExecute(anyConsumer(), any(Runnable.class));
             doAnswer(inv -> {
                 final GetRequest request = inv.getArgument(0);
                 final ActionListener<GetResponse> listener = inv.getArgument(1);