Fix PHP8 critical errors
The following errors should be fixed:
Uncaught Error: Non-static method testData::objectGetFilterInfo() cannot be called statically in include/testData_queue.php:161
Uncaught Error: Undefined constant "iTestingId" in include/testData.php:972
Uncaught TypeError: sizeof(): Argument #1 ($value) must be of type Countable|array, null given in include/vendor.php:306
Bug report
Edited by Antoine Le Gonidec