diff --git a/config/src/test/java/org/springframework/security/config/annotation/web/configurers/oauth2/client/OidcLogoutConfigurerTests.java b/config/src/test/java/org/springframework/security/config/annotation/web/configurers/oauth2/client/OidcLogoutConfigurerTests.java
index 9512ed592a..934c8bede9 100644
--- a/config/src/test/java/org/springframework/security/config/annotation/web/configurers/oauth2/client/OidcLogoutConfigurerTests.java
+++ b/config/src/test/java/org/springframework/security/config/annotation/web/configurers/oauth2/client/OidcLogoutConfigurerTests.java
@@ -212,7 +212,7 @@ public class OidcLogoutConfigurerTests {
 				.param("logout_token", logoutToken))
 			.andExpect(status().isBadRequest())
 			.andExpect(content().string(containsString("partial_logout")))
-			.andExpect(content().string(containsString("Connection refused")));
+			.andExpect(content().string(containsString("not all sessions were terminated")));
 		this.mvc.perform(get("/token/logout").session(one)).andExpect(status().isOk());
 	}
 
diff --git a/config/src/test/java/org/springframework/security/config/web/server/OidcLogoutSpecTests.java b/config/src/test/java/org/springframework/security/config/web/server/OidcLogoutSpecTests.java
index 03557c8c48..9f5627db79 100644
--- a/config/src/test/java/org/springframework/security/config/web/server/OidcLogoutSpecTests.java
+++ b/config/src/test/java/org/springframework/security/config/web/server/OidcLogoutSpecTests.java
@@ -264,7 +264,7 @@ public class OidcLogoutSpecTests {
 			.isBadRequest()
 			.expectBody(String.class)
 			.value(containsString("partial_logout"))
-			.value(containsString("Connection refused"));
+			.value(containsString("not all sessions were terminated"));
 		this.test.get().uri("/token/logout").cookie("SESSION", one).exchange().expectStatus().isOk();
 	}