A test in the hydrachain/tests/test_docker_integration.py file fails

[RomanZacharia]

A test in the hydrachain/tests/test_docker_integration.py file fails
==================================== ERRORS ====================================
___________ ERROR at setup of TestDockerSetup.test_containers_up[00] ___________
@pytest.yield_fixture(scope='module')
def docker_harness():
try:

      harness = DockerHarness()

hydrachain/tests/test_docker_integration.py:152:

hydrachain/tests/test_docker_integration.py:69: in init
self.project.build()
.tox/py27/lib/python2.7/site-packages/compose/project.py:283: in build
service.build(no_cache, pull)

self = <compose.service.Service object at 0x7f7e1412b890>, no_cache = False
pull = False
def build(self, no_cache=False, pull=False):
log.info('Building %s' % self.name)

    path = self.options['build']
    # python2 os.path() doesn't support unicode, so we need to encode it to
    # a byte string
    if not six.PY3:
        path = path.encode('utf8')

    build_output = self.client.build(
        path=path,
        tag=self.image_name,
        stream=True,
        rm=True,
        pull=pull,
        nocache=no_cache,
        dockerfile=self.options.get('dockerfile', None),
    )

    try:
        all_events = stream_output(build_output, sys.stdout)
    except StreamOutputError as e:

      raise BuildError(self, six.text_type(e))

E BuildError
.tox/py27/lib/python2.7/site-packages/compose/service.py:732: BuildError
---------------------------- Captured stdout setup -----------------------------
Step 0 : FROM iojs
latest: Pulling from library/iojs