Reinstate AwaitsFix

This reverts commit 29c5540323.

core/src/test/java/org/elasticsearch/action/admin/indices/shards/IndicesShardStoreRequestIT.java

@@ -151,6 +151,7 @@ public class IndicesShardStoreRequestIT extends ESIntegTestCase {
         assertThat(shardStatuses.get(index1).size(), equalTo(2));
     }
 
+    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/12416")
     public void testCorruptedShards() throws Exception {
         String index = "test";
         internalCluster().ensureAtLeastNumDataNodes(2);