Bug 29779: Make selenium tests return green even if lib is missing

Bug 29779: Make selenium tests return green even if lib is missing

Some selenium tests are not correctly written and they fail is
Selenium::Remote::Driver is missing.

Test plan:
1. Remove the lib rm `pmpath Selenium::Remote::Driver`
2. prove t/db_dependent/selenium/
should return green

Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>