[hotfix][runtime] Adds ComponentMainThread to thread name of Componen…

…tMainThreadExecutorServiceAdapter

flink-runtime/src/test/java/org/apache/flink/runtime/concurrent/ComponentMainThreadExecutorServiceAdapter.java

@@ -78,6 +78,7 @@ public static ComponentMainThreadExecutor forSingleThreadExecutor(
             @Nonnull ScheduledExecutorService singleThreadExecutor) {
         final Thread thread =
                 CompletableFuture.supplyAsync(Thread::currentThread, singleThreadExecutor).join();
+        thread.setName(String.format("ComponentMainThread-%s", thread.getName()));
         return new ComponentMainThreadExecutorServiceAdapter(singleThreadExecutor, thread);
     }