Mute AbstractSearchableSnapshotsTestCase and all sub tests (#70773)

Relates to #70763 and can be unmuted when #70668 is unmuted

x-pack/plugin/searchable-snapshots/src/test/java/org/elasticsearch/xpack/searchablesnapshots/AbstractSearchableSnapshotsTestCase.java

@@ -14,6 +14,7 @@ import org.apache.lucene.store.ByteBuffersIndexOutput;
 import org.apache.lucene.store.IOContext;
 import org.apache.lucene.store.IndexInput;
 import org.apache.lucene.store.IndexOutput;
+import org.apache.lucene.util.LuceneTestCase;
 import org.elasticsearch.Version;
 import org.elasticsearch.cluster.node.DiscoveryNode;
 import org.elasticsearch.cluster.node.DiscoveryNodeRole;
@@ -71,6 +72,7 @@ import java.util.concurrent.TimeUnit;
 import static com.carrotsearch.randomizedtesting.RandomizedTest.randomAsciiLettersOfLengthBetween;
 import static org.elasticsearch.index.store.cache.TestUtils.randomPopulateAndReads;
 
+@LuceneTestCase.AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/70763")
 public abstract class AbstractSearchableSnapshotsTestCase extends ESIndexInputTestCase {
 
     private static final ClusterSettings CLUSTER_SETTINGS = new ClusterSettings(