multiTenancyTests (#1313)

* multiTenancyTests

* fix linter issues

* fix after review

tests/acceptance/TestHelpers/OcHelper.php

@@ -89,6 +89,13 @@ class OcHelper {
 		return (\getenv("TEST_REVA") === "true");
 	}
 
+	/**
+	 * @return bool
+	 */
+	public static function isUsingPreparedLdapUsers(): bool {
+		return (\getenv("USE_PREPARED_LDAP_USERS") === "true");
+	}
+
 	/**
 	 * @return bool|string false if no command given or the command as string
 	 */