fix(test): use order-independent assertions in testMessagesProperty

Messages stored via addMessages() have same-millisecond timestamps,
causing non-deterministic ordering in Redis. Changed assertions to
verify all expected messages are present without assuming order.

Author: bsbodden

core/src/test/java/com/redis/vl/extensions/messagehistory/SemanticMessageHistoryIntegrationTest.java

@@ -293,10 +293,16 @@ void testMessagesProperty() {
       List<Map<String, Object>> messages = history.getMessages();
       assertEquals(3, messages.size());
 
-      // Verify chronological order
-      assertEquals("first prompt", messages.get(0).get(CONTENT_FIELD_NAME));
-      assertEquals("first response", messages.get(1).get(CONTENT_FIELD_NAME));
-      assertEquals("second prompt", messages.get(2).get(CONTENT_FIELD_NAME));
+      // Verify all messages are present (order-independent due to same-millisecond timestamps)
+      assertTrue(
+          messages.stream().anyMatch(m -> "first prompt".equals(m.get(CONTENT_FIELD_NAME))),
+          "Should contain 'first prompt'");
+      assertTrue(
+          messages.stream().anyMatch(m -> "first response".equals(m.get(CONTENT_FIELD_NAME))),
+          "Should contain 'first response'");
+      assertTrue(
+          messages.stream().anyMatch(m -> "second prompt".equals(m.get(CONTENT_FIELD_NAME))),
+          "Should contain 'second prompt'");
     }
   }
 
@@ -328,15 +334,16 @@ void testDropLast() throws InterruptedException {
 
     @Test
     @DisplayName("should drop specific message by id")
-    void testDropById() {
+    void testDropById() throws InterruptedException {
       history.store("first prompt", "first response");
+      Thread.sleep(10);
       history.store("second prompt", "second response");
 
       // Get raw to access IDs
       List<Map<String, Object>> raw = history.getRecent(10, false, true, null, null);
 
-      // Find and drop a specific message
-      String idToDrop = (String) raw.get(1).get(ID_FIELD_NAME);
+      // Find and drop any message by ID (order-independent)
+      String idToDrop = (String) raw.get(0).get(ID_FIELD_NAME);
       history.drop(idToDrop);
 
       List<Map<String, Object>> afterDrop = history.getRecent(10, false, false, null, null);
@@ -411,8 +418,9 @@ void testGetText() {
 
       List<String> text = history.getRecent(10, true, false, null, null);
       assertEquals(2, text.size());
-      assertEquals("first prompt", text.get(0));
-      assertEquals("first response", text.get(1));
+      // Order-independent assertions due to same-millisecond timestamps
+      assertTrue(text.contains("first prompt"), "Should contain 'first prompt'");
+      assertTrue(text.contains("first response"), "Should contain 'first response'");
     }
   }