Fix ReadContextListenerTests to avoid inconsistent WindowsFS file han…

…dle simulation

Signed-off-by: Kunal Kotwani <kkotwani@amazon.com>

server/src/test/java/org/opensearch/common/blobstore/stream/read/listener/ReadContextListenerTests.java

@@ -8,6 +8,7 @@
 
 package org.opensearch.common.blobstore.stream.read.listener;
 
+import org.apache.lucene.tests.util.LuceneTestCase.SuppressFileSystems;
 import org.opensearch.action.LatchedActionListener;
 import org.opensearch.action.support.PlainActionFuture;
 import org.opensearch.common.blobstore.stream.read.ReadContext;
@@ -32,6 +33,12 @@
 
 import static org.opensearch.common.blobstore.stream.read.listener.ListenerTestUtils.CountingCompletionListener;
 
+/*
+    WindowsFS tries to simulate file handles in a best case simulation.
+    The deletion for the open file on an actual Windows system will be performed as soon as the last handle
+    is closed, which this simulation does not account for. Preventing use of WindowsFS for these tests.
+ */
+@SuppressFileSystems("WindowsFS")
 public class ReadContextListenerTests extends OpenSearchTestCase {
 
     private Path path;
@@ -70,7 +77,6 @@ public void testReadContextListener() throws InterruptedException, IOException {
         assertEquals(NUMBER_OF_PARTS * PART_SIZE, Files.size(fileLocation));
     }
 
-    @AwaitsFix(bugUrl = "https://github.com/opensearch-project/OpenSearch/issues/9776")
     public void testReadContextListenerFailure() throws Exception {
         Path fileLocation = path.resolve(UUID.randomUUID().toString());
         List<InputStreamContainer> blobPartStreams = initializeBlobPartStreams();
@@ -100,7 +106,7 @@ public int available() {
         readContextListener.onResponse(readContext);
 
         countDownLatch.await();
-        assertBusy(() -> { assertFalse(Files.exists(fileLocation)); });
+        assertFalse(Files.exists(fileLocation));
     }
 
     public void testReadContextListenerException() {