add ccr tests

Signed-off-by: Jialiang Liang <jiallian@amazon.com>

Author: RyanL1997

integ-test/src/test/java/org/opensearch/sql/security/CalciteCrossClusterSearchIT.java

@@ -472,6 +472,16 @@ public void testCrossClusterMvExpandBasic() throws IOException {
     verifyDataRows(result, rows("happy", "java"), rows("happy", "python"), rows("happy", "sql"));
   }
 
+  @Test
+  public void testCrossClusterHighlightWildcard() throws IOException {
+    JSONObject result =
+        executeQuery(
+            String.format(
+                "search source=%s | highlight * | fields firstname, _highlight",
+                TEST_INDEX_BANK_REMOTE));
+    verifyColumn(result, columnName("firstname"), columnName("_highlight"));
+  }
+
   @Test
   public void testCrossClusterMvExpandWithLimit() throws IOException {
     JSONObject result =