diff --git a/src/test/java/org/opensearch/security/dlic/rest/api/UserApiTest.java b/src/test/java/org/opensearch/security/dlic/rest/api/UserApiTest.java
index 659074f216..20152a27b8 100644
--- a/src/test/java/org/opensearch/security/dlic/rest/api/UserApiTest.java
+++ b/src/test/java/org/opensearch/security/dlic/rest/api/UserApiTest.java
@@ -665,7 +665,7 @@ public void testRegExpPasswordRules() throws Exception {
 
         verifyCouldNotCreatePasswords(HttpStatus.SC_BAD_REQUEST);
         verifyCanCreatePasswords();
-        verifySimilarity("xxx");
+        verifySimilarity(RequestContentValidator.ValidationError.SIMILAR_PASSWORD.message());
 
         addUserWithPasswordAndHash("empty_password", "", "$%^123", HttpStatus.SC_BAD_REQUEST);
         addUserWithPasswordAndHash("null_password", null, "$%^123", HttpStatus.SC_BAD_REQUEST);