tests: more checks

Author: saw-jan

tests/acceptance/TestHelpers/GraphHelper.php

@@ -126,7 +126,14 @@ public static function getEtagRegex(): string {
 	 * @return string
 	 */
 	public static function getFederatedUserRegex(): string {
-		return '^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$';
+		return '(?=(.{4})*$)[A-Za-z0-9+/]*={0,2}$';
+	}
+
+	/**
+	 * @return string
+	 */
+	public static function getFederatedFileIdRegex(): string {
+		return self::getSpaceIdRegex() . '!(?=(.{4})*$)[A-Za-z0-9+/]*={0,2}';
 	}
 
 	/**

tests/acceptance/bootstrap/FeatureContext.php

@@ -2339,6 +2339,14 @@ public function substituteInLineCodes(
 				],
 				"parameter" => []
 			],
+			[
+				"code" => "%federated_file_id_pattern%",
+				"function" => [
+					__NAMESPACE__ . '\TestHelpers\GraphHelper',
+					"getFederatedFileIdRegex"
+				],
+				"parameter" => []
+			],
 			[
 				"code" => "%group_id_pattern%",
 				"function" => [