The specified tests passed on both:
bionic (1.6.6):
(187/248) Testcase test-frontend-lock: P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P
xenial (1.2.29):
(165/220) Testcase test-frontend-lock: P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P
The specified tests passed on both:
bionic (1.6.6):
(187/248) Testcase test-frontend-lock: P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P
xenial (1.2.29):
(165/220) Testcase test-frontend-lock: P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P P