test: update tests for localization changes

src/test/java/org/eclipse/yasson/defaultmapping/specific/DeserializationExceptionTest.java

diff --git a/src/test/java/org/eclipse/yasson/defaultmapping/specific/DeserializationExceptionTest.java b/src/test/java/org/eclipse/yasson/defaultmapping/specific/DeserializationExceptionTest.java
index 155f611..f6cff1f 100644
--- a/src/test/java/org/eclipse/yasson/defaultmapping/specific/DeserializationExceptionTest.java
+++ b/src/test/java/org/eclipse/yasson/defaultmapping/specific/DeserializationExceptionTest.java
@@ -61,9 +61,10 @@
         List<Throwable> causes = causesOf(assertThrows(JsonbException.class,
                                                        () -> defaultJsonb.fromJson(JSON, BrokenSetterPojo.class)));
 
-        String expectedMessage = "Error setting value on: " + BrokenSetterPojo.class.getName();
-        assertTrue(causes.stream().anyMatch(cause -> expectedMessage.equals(cause.getMessage())),
-                   "No exception with the message: " + expectedMessage);
+        String className = BrokenSetterPojo.class.getName();
+        assertTrue(causes.stream().anyMatch(cause -> cause.getMessage() != null
+                           && cause.getMessage().contains(className)),
+                   "No exception whose message contains class name: " + className);
     }
 
     private static List<Throwable> causesOf(Throwable throwable) {

src/test/java/org/eclipse/yasson/defaultmapping/specific/RecursiveReferenceTest.java

diff --git a/src/test/java/org/eclipse/yasson/defaultmapping/specific/RecursiveReferenceTest.java b/src/test/java/org/eclipse/yasson/defaultmapping/specific/RecursiveReferenceTest.java
index 67872ab..2f9686b 100644
--- a/src/test/java/org/eclipse/yasson/defaultmapping/specific/RecursiveReferenceTest.java
+++ b/src/test/java/org/eclipse/yasson/defaultmapping/specific/RecursiveReferenceTest.java
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2019, 2022 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2026 Contributors to the Eclipse Foundation
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v. 2.0 which is available at
@@ -13,6 +14,7 @@
 package org.eclipse.yasson.defaultmapping.specific;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.junit.jupiter.api.Assertions.fail;
 
 import java.util.Arrays;
@@ -48,9 +50,9 @@
             Jsonbs.defaultJsonb.toJson(recursive);
             fail("Exception should be caught");
         } catch (JsonbException e) {
-            assertEquals(
-                    "Unable to serialize property 'linksTo' from org.eclipse.yasson.adapters.model.Chain",
-                    e.getMessage());
+            assertTrue(e.getMessage().contains("linksTo"), "Message missing property name: " + e.getMessage());
+            assertTrue(e.getMessage().contains("org.eclipse.yasson.adapters.model.Chain"),
+                    "Message missing class name: " + e.getMessage());
             assertEquals(
                     "Recursive reference has been found in class org.eclipse.yasson.adapters.model.Chain.",
                     e.getCause().getMessage());