Fix more tests

Signed-off-by: Craig Perkins <[email protected]>

Author: cwperks

src/main/java/org/opensearch/security/resources/ResourcePluginInfo.java

@@ -217,6 +217,9 @@ public ResourceProvider getResourceProvider(String type) {
     public String indexByType(String type) {
         lock.readLock().lock();
         try {
+            if (!typeToProvider.containsKey(type)) {
+                return null;
+            }
             return typeToProvider.get(type).resourceIndexName();
         } finally {
             lock.readLock().unlock();

src/test/java/org/opensearch/security/resources/ResourceAccessHandlerTest.java

@@ -150,8 +150,7 @@ public void testHasPermission_noAccessLevelsDenied() {
         when(adminDNs.isAdmin(user)).thenReturn(false);
 
         ResourceSharing doc = mock(ResourceSharing.class);
-        when(doc.isCreatedBy("charlie")).thenReturn(false);
-        when(doc.fetchAccessLevels(any(), any())).thenReturn(Collections.emptySet());
+        when(doc.getAccessLevelsForUser(user)).thenReturn(Collections.emptySet());
 
         doAnswer(inv -> {
             ActionListener<ResourceSharing> l = inv.getArgument(2);