The merge was fine but running tests failed.

[trusty] starting container
[trusty] (timing) 0.00user 0.00system 0:00.25elapsed 6%CPU (0avgtext+0avgdata 5004maxresident)k
[trusty] (timing) 0inputs+72outputs (0major+1089minor)pagefaults 0swaps
[trusty] provisioning container
[trusty] (timing) 74.46user 110.37system 7:20.66elapsed 41%CPU (0avgtext+0avgdata 68972maxresident)k
[trusty] (timing) 8032inputs+1609656outputs (15major+1201739minor)pagefaults 0swaps
[trusty-testing] Starting tests...
Found a test script: ./requirements/container-tests-provider-checkbox
[trusty-testing] container-tests-provider-checkbox: FAIL
[trusty-testing] stdout: https://paste.ubuntu.com/p/P84JBvr6xW/
[trusty-testing] stderr: https://paste.ubuntu.com/p/YtVbWgD78b/
[trusty-testing] (timing) Command exited with non-zero status 1
[trusty-testing] (timing) 17.79user 1.17system 0:35.54elapsed 53%CPU (0avgtext+0avgdata 61280maxresident)k
[trusty-testing] (timing) 0inputs+100800outputs (0major+472212minor)pagefaults 0swaps
[trusty-testing] Fixing file permissions in source directory
[trusty-testing] Destroying container
Name:           trusty-testing
State:          STOPPED
[xenial] starting container
[xenial] (timing) 0.00user 0.00system 0:00.33elapsed 2%CPU (0avgtext+0avgdata 5064maxresident)k
[xenial] (timing) 0inputs+72outputs (0major+1088minor)pagefaults 0swaps
[xenial] provisioning container
[xenial] (timing) 33.26user 14.54system 5:23.56elapsed 14%CPU (0avgtext+0avgdata 83492maxresident)k
[xenial] (timing) 14336inputs+1831184outputs (20major+1535524minor)pagefaults 0swaps
[xenial-testing] Starting tests...
Found a test script: ./requirements/container-tests-provider-checkbox
[xenial-testing] container-tests-provider-checkbox: FAIL
[xenial-testing] stdout: https://paste.ubuntu.com/p/gnqCrMZFWq/
[xenial-testing] stderr: https://paste.ubuntu.com/p/MsDj4XHdwv/
[xenial-testing] (timing) Command exited with non-zero status 1
[xenial-testing] (timing) 17.01user 0.87system 0:33.54elapsed 53%CPU (0avgtext+0avgdata 63172maxresident)k
[xenial-testing] (timing) 32inputs+101152outputs (0major+475176minor)pagefaults 0swaps
[xenial-testing] Fixing file permissions in source directory
[xenial-testing] Destroying container
Name:           xenial-testing
State:          STOPPED
[bionic] starting container
[bionic] (timing) 0.00user 0.00system 0:00.27elapsed 2%CPU (0avgtext+0avgdata 4984maxresident)k
[bionic] (timing) 0inputs+72outputs (0major+1086minor)pagefaults 0swaps
[bionic] provisioning container
[bionic] (timing) 38.36user 17.32system 6:41.49elapsed 13%CPU (0avgtext+0avgdata 92168maxresident)k
[bionic] (timing) 17232inputs+2260672outputs (5major+1954273minor)pagefaults 0swaps
[bionic-testing] Starting tests...
Found a test script: ./requirements/container-tests-provider-checkbox
[bionic-testing] container-tests-provider-checkbox: FAIL
[bionic-testing] stdout: https://paste.ubuntu.com/p/YtDV5sm2DZ/
[bionic-testing] stderr: https://paste.ubuntu.com/p/tvpyC4fCRq/
[bionic-testing] (timing) Command exited with non-zero status 1
[bionic-testing] (timing) 16.92user 1.15system 0:32.69elapsed 55%CPU (0avgtext+0avgdata 55416maxresident)k
[bionic-testing] (timing) 168inputs+100608outputs (3major+487133minor)pagefaults 0swaps
[bionic-testing] Fixing file permissions in source directory
[bionic-testing] Destroying container
Name:           bionic-testing
State:          STOPPED