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

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

wget -c http://0.0.0.0:39937/test.tar
cp --preserve=all -R zzz /tmp/tmpo5btu74v/parts/copy/install/zzz
cp --preserve=all -R src /tmp/tmpyoazun5w/parts/copy/install/dst
cp --preserve=all -R src /tmp/tmprwukoxqe/parts/copy/install/dir/dst

...........--2015-08-27 19:50:49-- http://0.0.0.0:39937/test.tar
Connecting to 0.0.0.0:39937... connected.
HTTP request sent, awaiting response... 200 OK
Length: 22 [text/html]
Saving to: ‘test.tar’

     0K 100% 4.74M=0s

2015-08-27 19:50:49 (4.74 MB/s) - ‘test.tar’ saved [22/22]

.E.................Warning: unable to find "test_relexepath" in the path
.............E
======================================================================
ERROR: snapcraft.tests.test_cmds (unittest.loader.ModuleImportFailure)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3.4/unittest/case.py", line 57, in testPartExecutor
    yield
  File "/usr/lib/python3.4/unittest/case.py", line 574, in run
    testMethod()
  File "/usr/lib/python3.4/unittest/loader.py", line 32, in testFailure
    raise exception
ImportError: Failed to import test module: snapcraft.tests.test_cmds
Traceback (most recent call last):
  File "/usr/lib/python3.4/unittest/loader.py", line 312, in _find_tests
    module = self._get_module_from_name(name)
  File "/usr/lib/python3.4/unittest/loader.py", line 290, in _get_module_from_name
    __import__(name)
  File "/tmp/tarmac/branch.04EPnA/snapcraft/tests/test_cmds.py", line 24, in <module>
    from snapcraft import (
  File "/tmp/tarmac/branch.04EPnA/snapcraft/cmds.py", line 27, in <module>
    import snapcraft.yaml
  File "/tmp/tarmac/branch.04EPnA/snapcraft/yaml.py", line 21, in <module>
    import jsonschema
ImportError: No module named 'jsonschema'

======================================================================
ERROR: snapcraft.tests.test_yaml (unittest.loader.ModuleImportFailure)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3.4/unittest/case.py", line 57, in testPartExecutor
    yield
  File "/usr/lib/python3.4/unittest/case.py", line 574, in run
    testMethod()
  File "/usr/lib/python3.4/unittest/loader.py", line 32, in testFailure
    raise exception
ImportError: Failed to import test module: snapcraft.tests.test_yaml
Traceback (most recent call last):
  File "/usr/lib/python3.4/unittest/loader.py", line 312, in _find_tests
    module = self._get_module_from_name(name)
  File "/usr/lib/python3.4/unittest/loader.py", line 290, in _get_module_from_name
    __import__(name)
  File "/tmp/tarmac/branch.04EPnA/snapcraft/tests/test_yaml.py", line 17, in <module>
    import jsonschema
ImportError: No module named 'jsonschema'

----------------------------------------------------------------------
Ran 44 tests in 1.155s

FAILED (errors=2)