Increase timeout for waiting for the cleanup of the shared index folder (#84942)

Relates #80341
Closes 84158

x-pack/plugin/searchable-snapshots/src/internalClusterTest/java/org/elasticsearch/xpack/searchablesnapshots/FrozenSearchableSnapshotsIntegTests.java

@@ -59,6 +59,7 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
+import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 import static org.elasticsearch.index.IndexSettings.INDEX_SOFT_DELETES_SETTING;
@@ -80,7 +81,6 @@ import static org.hamcrest.Matchers.sameInstance;
 
 public class FrozenSearchableSnapshotsIntegTests extends BaseFrozenSearchableSnapshotsIntegTestCase {
 
-    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/84158")
     public void testCreateAndRestorePartialSearchableSnapshot() throws Exception {
         final String fsRepoName = randomAlphaOfLength(10);
         final String indexName = randomAlphaOfLength(10).toLowerCase(Locale.ROOT);
@@ -304,7 +304,7 @@ public class FrozenSearchableSnapshotsIntegTests extends BaseFrozenSearchableSna
         // TODO: fix
         // assertSearchableSnapshotStats(restoredIndexName, true, nonCachedExtensions);
         ensureGreen(restoredIndexName);
-        assertBusy(() -> assertShardFolders(restoredIndexName, true));
+        assertBusy(() -> assertShardFolders(restoredIndexName, true), 30, TimeUnit.SECONDS);
 
         assertThat(
             client().admin()