fix up

Signed-off-by: Ndacyayisenga-droid <[email protected]>

Author: Ndacyayisenga-droid

hiero-enterprise-spring/src/test/java/com/openelements/hiero/spring/test/TopicRepositoryTest.java

@@ -37,14 +37,16 @@ void testNullParam() {
     @Test
     void testFindTopicById() throws HieroException {
         final TopicId topicId = topicClient.createTopic();
-        hieroTestUtils.waitForMirrorNodeRecords();
+        topicClient.submitMessage(topicId, "topic test visibility");
+        hieroTestUtils.waitForMirrorNodeRecords(); // Wait until the topic appears on mirror node via message
 
         final Optional<Topic> result = topicRepository.findTopicById(topicId);
 
         Assertions.assertNotNull(result);
-        Assertions.assertTrue(result.isPresent());
+        Assertions.assertTrue(result.isPresent(), "Expected topic to be present, but it was not found.");
     }
 
+
     @Test
     void testFindTopicByIdReturnsEmptyOptional() throws HieroException {
         final TopicId topicId = TopicId.fromString("0.0.0");