Debug ManyShardsIT (#128127)

Author: idegtiarenko

x-pack/plugin/esql/src/internalClusterTest/java/org/elasticsearch/xpack/esql/action/ManyShardsIT.java

@@ -109,26 +109,27 @@ public void testConcurrentQueries() throws Exception {
         CountDownLatch latch = new CountDownLatch(1);
         for (int q = 0; q < numQueries; q++) {
             threads[q] = new Thread(() -> {
-                try {
-                    assertTrue(latch.await(1, TimeUnit.MINUTES));
-                } catch (InterruptedException e) {
-                    throw new AssertionError(e);
-                }
+                safeAwait(latch);
                 final var pragmas = Settings.builder();
                 if (randomBoolean() && canUseQueryPragmas()) {
                     pragmas.put(randomPragmas().getSettings())
                         .put("task_concurrency", between(1, 2))
                         .put("exchange_concurrent_clients", between(1, 2));
                 }
-                run("from test-* | stats count(user) by tags", new QueryPragmas(pragmas.build())).close();
-            });
+                try (var response = run("from test-* | stats count(user) by tags", new QueryPragmas(pragmas.build()))) {
+                    // do nothing
+                } catch (Exception | AssertionError e) {
+                    logger.warn("Query failed with exception", e);
+                    throw e;
+                }
+            }, "testConcurrentQueries");
         }
         for (Thread thread : threads) {
             thread.start();
         }
         latch.countDown();
         for (Thread thread : threads) {
-            thread.join();
+            thread.join(10_000);
         }
     }