update tests

Author: fang-xing-esql

x-pack/plugin/esql/qa/server/multi-clusters/src/javaRestTest/java/org/elasticsearch/xpack/esql/ccq/MultiClusterSpecIT.java

@@ -56,6 +56,7 @@
 import static org.elasticsearch.xpack.esql.action.EsqlCapabilities.Cap.JOIN_LOOKUP_V12;
 import static org.elasticsearch.xpack.esql.action.EsqlCapabilities.Cap.JOIN_PLANNING_V1;
 import static org.elasticsearch.xpack.esql.action.EsqlCapabilities.Cap.METADATA_FIELDS_REMOTE_TEST;
+import static org.elasticsearch.xpack.esql.action.EsqlCapabilities.Cap.SUBQUERY_IN_FROM_COMMAND;
 import static org.elasticsearch.xpack.esql.action.EsqlCapabilities.Cap.UNMAPPED_FIELDS;
 import static org.elasticsearch.xpack.esql.qa.rest.RestEsqlTestCase.hasCapabilities;
 import static org.mockito.ArgumentMatchers.any;
@@ -172,6 +173,12 @@ protected void shouldSkipTest(String testName) throws IOException {
                 hasCapabilities(adminClient(), List.of(ENABLE_FORK_FOR_REMOTE_INDICES.capabilityName()))
             );
         }
+        // Subqueries in FROM are not fully tested in CCS yet
+        // And convertToRemoteIndices does not generate correct queries with subqueries in the FROM command yet
+        assumeFalse(
+            "Subqueries in FROM command not yet supported in CCS",
+            testCase.requiredCapabilities.contains(SUBQUERY_IN_FROM_COMMAND.capabilityName())
+        );
     }
 
     private TestFeatureService remoteFeaturesService() throws IOException {