bpo-32802: Fix Travis build (GH-5589) (GH-5590)

Fix bug in travis configuration where it did not run the tests when
a change includes both code and doc changes.
(cherry picked from commit 32921f90821ab54ffb757b7e996e5b7a71fac25e)

Co-authored-by: Stéphane Wirtel <stephane@wirtel.be>
1 file changed