@Override
  protected void allowDropOnTable(String tblName, String userName, String location)
      throws Exception {
    allowWriteAccessViaAcl(userName, location);
  }
Create a new AclEntry with scope, type, name and permission.
Borrowed from TestExtendedAcls

@param scope
         AclEntryScope scope of the ACL entry
@param type
         AclEntryType ACL entry type
@param name
         String optional ACL entry name
@param permission
         FsAction set of permissions in the ACL entry
@return AclEntry new AclEntry
itests/hive-unit-hadoop2/src/test/java/org/apache/hadoop/hive/ql/security/TestStorageBasedMetastoreAuthorizationProviderWithACL.java