Package: php7.3-dev Version: 7.3.0~alpha3-1 There's an extraneous 'L' at the end of line 14 of /usr/bin/phpize7.3 which causes it to fail to copy the files necessary for "make test".
$ phpize7.3 Configuring for: PHP Api Version: 20180606 Zend Module Api No: 20180606 Zend Extension Api No: 320180606 cp: cannot stat 'run-tests*.phpL': No such file or directory It works when the 'L' is removed.

