busybox demo test fails in yakkety with x1/busybox.test: No such file or directory

[Leo Arias]

======================================================================
ERROR: demos_tests.test_busybox.BusyBoxTestCase.test_busybox
----------------------------------------------------------------------
output: {{{b'touch: x1/busybox.test: No such file or directory\n'}}}

Traceback (most recent call last):
  File "/tmp/adt-run.vdw3UB/build.MsX/real-tree/snaps_tests/demos_tests/test_busybox.py", line 33, in test_busybox
    '')
  File "/tmp/adt-run.vdw3UB/build.MsX/real-tree/snaps_tests/__init__.py", line 236, in assert_command_in_snappy_testbed
    output = self.run_command_in_snappy_testbed(command, cwd)
  File "/tmp/adt-run.vdw3UB/build.MsX/real-tree/snaps_tests/__init__.py", line 248, in run_command_in_snappy_testbed
    return self.snappy_testbed.run_command(command, cwd)
  File "/tmp/adt-run.vdw3UB/build.MsX/real-tree/snaps_tests/testbed.py", line 52, in run_command
    stderr=subprocess.STDOUT).decode('utf-8')
  File "/usr/lib/python3.5/subprocess.py", line 626, in check_output
    **kwargs).stdout
  File "/usr/lib/python3.5/subprocess.py", line 708, in run
    output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '/snap/bin/busybox.touch ~/snap/busybox/$(ls ~/snap/busybox)/busybox.test' returned non-zero exit status 1

This error is caused because now a common directory is created next to the x1 directory.

[Leo Arias (elopio)]

https://github.com/snapcore/snapcraft/pull/801