Acceptance tests using different clients concurrently. Environment deployed from packages.

Build: #1155 failed

Job: Chrome directories metadata tests failed

user sets metadata 1[1oz 1op 1oc-oneclient1-web GUi-basic-attr=val]: Test case result

The below summarizes the result of the test " user sets metadata 1[1oz 1op 1oc-oneclient1-web GUi-basic-attr=val]" in build 1,155 of Onedata Products - mixed acceptance pkg - Chrome directories metadata tests.
Description
user sets metadata 1[1oz 1op 1oc-oneclient1-web GUi-basic-attr=val]
Test class
mixed.scenarios.test_directories_metadata
Method
test_user_sets_metadata_1[1oz_1op_1oc-oneclient1-web GUI-basic-attr=val]
Duration
< 1 sec
Status
Failed (New Failure)

Error Log

test setup failure
env_description_abs_path = '/mnt/storage/bamboo-agent-home/xml-data/build-dir/ODSRV-MAOPT-CMT/onedata/tests/mixed/environments/1oz_1op_1oc.yaml'
hosts = {}
request = <SubRequest 'env_desc' for <Function 'test_user_sets_metadata[1oz_1op_1oc-REST-web GUI-basic-attr=val]'>>
users = {}
previous_env = {'env_path': '/mnt/storage/bamboo-agent-home/xml-data/build-dir/ODSRV-MAOPT-CMT/onedata/tests/mixed/environments/1oz_1op_1oc.yaml'}

    @fixture(scope='session')
    def env_desc(env_description_abs_path, hosts, request, users, previous_env):
        from tests.conftest import env_desc
        return env_desc(env_description_abs_path, hosts, request, users,
>                       previous_env)

tests/gui/conftest.py:393: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
tests/conftest.py:318: in env_desc
    env_description_abs_path
tests/conftest.py:437: in start_environment
    check_deployment()
tests/conftest.py:510: in check_deployment
    status_output = yaml.load(status_output.decode('utf-8'))
/usr/local/lib/python3.6/dist-packages/yaml/__init__.py:70: in load
    loader = Loader(stream)
/usr/local/lib/python3.6/dist-packages/yaml/loader.py:34: in __init__
    Reader.__init__(self, stream)
/usr/local/lib/python3.6/dist-packages/yaml/reader.py:74: in __init__
    self.check_printable(stream)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <yaml.loader.Loader object at 0x7fbdece55470>
data = '\x1b[37m[INFO] There is no active deployment\x1b[0m\r\n'

    def check_printable(self, data):
        match = self.NON_PRINTABLE.search(data)
        if match:
            character = match.group()
            position = self.index+(len(self.buffer)-self.pointer)+match.start()
            raise ReaderError(self.name, position, ord(character),
>                   'unicode', "special characters are not allowed")
E           yaml.reader.ReaderError: unacceptable character #x001b: special characters are not allowed
E             in "<unicode string>", position 0

/usr/local/lib/python3.6/dist-packages/yaml/reader.py:144: ReaderError