Fix test bug, mute test

Author: JVerwolf

server/src/internalClusterTest/java/org/elasticsearch/snapshots/SystemResourceSnapshotIT.java

@@ -956,6 +956,7 @@ public void testPartialSnapshotsOfSystemIndexRemovesFeatureState() throws Except
      * Ensures that if we can only capture a partial snapshot of a system data stream, then the feature state associated
      * with that data stream is not included in the snapshot, because it would not be safe to restore that feature state.
      */
+    @AwaitsFix(bugUrl = "ES-11251")
     public void testPartialSnapshotsOfSystemDataStreamRemovesFeatureState() throws Exception {
         final String partialIndexName = SystemDataStreamManyShardsTestPlugin.SYSTEM_DATASTREAM_NAME;
         final String fullIndexName = AnotherSystemDataStreamTestPlugin.SYSTEM_DATASTREAM_NAME;
@@ -1202,7 +1203,7 @@ public Collection<SystemDataStreamDescriptor> getSystemDataStreamDescriptors() {
 
         @Override
         public String getFeatureName() {
-            return SystemDataStreamTestPlugin.class.getSimpleName();
+            return SystemDataStreamManyShardsTestPlugin.class.getSimpleName();
         }
 
         @Override