ubuntu-image ftbfs in disco

[Matthias Klose]

https://launchpadlibrarian.net/417924319/buildlog_ubuntu-disco-amd64.ubuntu-image_1.6+19.04ubuntu1_BUILDING.txt.gz

======================================================================
FAIL: test_mbr_image_partitions (ubuntu_image.tests.test_image.TestImage)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/<<BUILDDIR>>/ubuntu-image-1.6+19.04ubuntu1/ubuntu_image/tests/test_image.py", line 198, in test_mbr_image_partitions
    'type': 'dd',
AssertionError: {'lab[61 chars]s', 'grain': '512', 'partitions': [{'node': '/[156 chars]d'}]} != {'lab[61 chars]s', 'partitions': [{'node': '/tmp/tmpb1trzlpf/[140 chars]d'}]}
  {'device': '/tmp/tmpb1trzlpf/img',
- 'grain': '512',
   'label': 'dos',
   'partitions': [{'bootable': True,
                   'node': '/tmp/tmpb1trzlpf/img1',
                   'size': 3000,
                   'start': 33,
                   'type': '83'},
                  {'node': '/tmp/tmpb1trzlpf/img2',
                   'size': 1000,
                   'start': 3033,
                   'type': 'dd'}],
   'unit': 'sectors'}

----------------------------------------------------------------------
Ran 295 tests in 17.064s

FAILED (failures=1, skipped=6)
E: pybuild pybuild:341: test: plugin custom failed with: exit code=1: python3.7 -m nose2 -vv
dh_auto_test: pybuild --test -i python{version} -p 3.7 --system=custom "--test-args={interpreter} -m nose2 -vv" returned exit code 13
make[1]: *** [debian/rules:28: override_dh_auto_test] Error 25
make[1]: Leaving directory '/<<BUILDDIR>>/ubuntu-image-1.6+19.04ubuntu1'