Fix: getUnitTest does not add test files
Fix: getUnitTest does not add test files

While running php phpunit.php --tap --testsuite extensions
in vagrant the unit tests for the echo extension were
not added to the file list.

See also
Bug: 67148

Change-Id: Id78580b4c13bbc3428727c23f1fe3e493ec127ec

wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo