Mute all flaky IndicesRequestCacheIT tests

These are very frequent offenders and are causing a lot of pain in CI.

Related issues:
- opensearch-project#11374
- opensearch-project#12308
- opensearch-project#13540
- opensearch-project#13503
- opensearch-project#13711
- opensearch-project#13949
- opensearch-project#13437
- opensearch-project#13600

Signed-off-by: Andrew Ross <andrross@amazon.com>

server/src/internalClusterTest/java/org/opensearch/indices/IndicesRequestCacheIT.java

@@ -631,6 +631,7 @@ public void testCacheWithFilteredAlias() throws InterruptedException {
         assertCacheState(client, index, 2, 2);
     }
 
+    @AwaitsFix(bugUrl = "https://github.com/opensearch-project/OpenSearch/issues/11374")
     public void testProfileDisableCache() throws Exception {
         Client client = client();
         String index = "index";
@@ -673,6 +674,7 @@ public void testProfileDisableCache() throws Exception {
         }
     }
 
+    @AwaitsFix(bugUrl = "https://github.com/opensearch-project/OpenSearch/issues/12308")
     public void testCacheWithInvalidation() throws Exception {
         Client client = client();
         String index = "index";
@@ -758,6 +760,7 @@ public void testCacheClearAPIRemovesStaleKeysWhenStalenessThresholdIsLow() throw
     }
 
     // when staleness threshold is lower than staleness, it should clean the stale keys from cache
+    @AwaitsFix(bugUrl = "https://github.com/opensearch-project/OpenSearch/issues/13540")
     public void testStaleKeysCleanupWithLowThreshold() throws Exception {
         int cacheCleanIntervalInMillis = 1;
         String node = internalCluster().startNode(
@@ -804,6 +807,7 @@ public void testStaleKeysCleanupWithLowThreshold() throws Exception {
     }
 
     // when staleness threshold is equal to staleness, it should clean the stale keys from cache
+    @AwaitsFix(bugUrl = "https://github.com/opensearch-project/OpenSearch/issues/13503")
     public void testCacheCleanupOnEqualStalenessAndThreshold() throws Exception {
         int cacheCleanIntervalInMillis = 1;
         String node = internalCluster().startNode(
@@ -982,6 +986,7 @@ public void testStaleKeysRemovalWithoutExplicitThreshold() throws Exception {
     }
 
     // when cache cleaner interval setting is not set, cache cleaner is configured appropriately with the fall-back setting
+    @AwaitsFix(bugUrl = "https://github.com/opensearch-project/OpenSearch/issues/13711")
     public void testCacheCleanupWithDefaultSettings() throws Exception {
         int cacheCleanIntervalInMillis = 1;
         String node = internalCluster().startNode(
@@ -1022,6 +1027,7 @@ public void testCacheCleanupWithDefaultSettings() throws Exception {
     }
 
     // staleness threshold updates flows through to the cache cleaner
+    @AwaitsFix(bugUrl = "https://github.com/opensearch-project/OpenSearch/issues/13949")
     public void testDynamicStalenessThresholdUpdate() throws Exception {
         int cacheCleanIntervalInMillis = 1;
         String node = internalCluster().startNode(
@@ -1169,6 +1175,7 @@ public void testCacheCleanupAfterIndexDeletion() throws Exception {
     }
 
     // when staleness threshold is lower than staleness, it should clean the cache from all indices having stale keys
+    @AwaitsFix(bugUrl = "https://github.com/opensearch-project/OpenSearch/issues/13437")
     public void testStaleKeysCleanupWithMultipleIndices() throws Exception {
         int cacheCleanIntervalInMillis = 10;
         String node = internalCluster().startNode(
@@ -1223,6 +1230,7 @@ public void testStaleKeysCleanupWithMultipleIndices() throws Exception {
         }, cacheCleanIntervalInMillis * 2, TimeUnit.MILLISECONDS);
     }
 
+    @AwaitsFix(bugUrl = "https://github.com/opensearch-project/OpenSearch/issues/13600")
     public void testDeleteAndCreateSameIndexShardOnSameNode() throws Exception {
         String node_1 = internalCluster().startNode(Settings.builder().build());
         Client client = client(node_1);