Code review comment for lp:~sergiusens/snapcraft/1500505

The attempt to merge lp:~sergiusens/snapcraft/1500505 into lp:snapcraft failed. Below is the output from the failed tests.

name: # the name of the snap
version: # the version of the snap
# The vendor for the snap (replace 'Vendor <email address hidden>')
vendor: Vendor <email address hidden>
summary: # 79 char long summary
description: # A longer description for the snap
icon: # A path to an icon for the package
cp --preserve=all -R zzz /tmp/tmpfqjb5zom/parts/copy/install/zzz
cp --preserve=all -R src /tmp/tmp4yykp3c4/parts/copy/install/dst
cp --preserve=all -R src /tmp/tmpo047wt4b/parts/copy/install/dir/dst

...................................Warning: unable to find "test_relexepath" in the path
............../tmp/tmp71nc0tyw/abs-to-b will be a dangling symlink
F.....................................................
======================================================================
FAIL: test_fix_symlinks (snapcraft.tests.test_repo.UbuntuTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/tmp/tarmac/branch.lg1XOE/snapcraft/tests/test_repo.py", line 84, in test_fix_symlinks
    self.assertEqual(os.readlink(tempdir + '/abs-to-b'), '/b')
AssertionError: 'b' != '/b'
- b
+ /b
? +

----------------------------------------------------------------------
Ran 103 tests in 2.933s

FAILED (failures=1)