feat(user_ldap): Add a --clearcache option to ldap:test-user-settings

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

apps/user_ldap/lib/Command/TestUserSettings.php

@@ -46,6 +46,12 @@ protected function configure(): void {
 				InputOption::VALUE_REQUIRED,
 				'A group DN to check if the user is a member or not'
 			)
+			->addOption(
+				'clearcache',
+				null,
+				InputOption::VALUE_NONE,
+				'Clear the cache of the LDAP connection before the beginning of tests'
+			)
 		;
 	}
 
@@ -54,6 +60,9 @@ protected function execute(InputInterface $input, OutputInterface $output): int
 			$uid = $input->getArgument('user');
 			$access = $this->backend->getLDAPAccess($uid);
 			$connection = $access->getConnection();
+			if ($input->getOption('clearcache')) {
+				$connection->clearCache();
+			}
 			$configPrefix = $connection->getConfigPrefix();
 			$knownDn = '';
 			if ($access->stringResemblesDN($uid)) {