support/testing: add missing test file for perl-html-parser

This file was created by utils/scancpan while adding other packages but
apparently not yet added in the repo.

Assign this test case to Bernd in the DEVELOPERS file since he is
listed as the maintainer for this package.

Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>