Error when running rake test:acceptance:lms["lms/djangoapps/courseware/features/video.feature -s 26"]

gistfile1.txt

./manage.py lms --settings acceptance migrate --traceback --noinput
Traceback (most recent call last):
  File "./manage.py", line 91, in <module>
    startup.run()
  File "/edx/app/edxapp/edx-platform/lms/startup.py", line 21, in run
    autostartup()
  File "/edx/app/edxapp/edx-platform/common/lib/django_startup.py", line 15, in autostartup
    mod = import_module(app + '.startup')
  File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/edx/app/edxapp/venvs/edxapp/src/event-tracking/eventtracking/django/__init__.py", line 98, in <module>
    override_default_tracker()
  File "/edx/app/edxapp/venvs/edxapp/src/event-tracking/eventtracking/django/__init__.py", line 95, in override_default_tracker
    tracker.register_tracker(DjangoTracker())
  File "/edx/app/edxapp/venvs/edxapp/src/event-tracking/eventtracking/django/__init__.py", line 24, in __init__
    backends = self.create_backends_from_settings()
  File "/edx/app/edxapp/venvs/edxapp/src/event-tracking/eventtracking/django/__init__.py", line 59, in create_backends_from_settings
    backend = self.instantiate_backend_from_name(engine, options)
  File "/edx/app/edxapp/venvs/edxapp/src/event-tracking/eventtracking/django/__init__.py", line 85, in instantiate_backend_from_name
    backend = cls(**options)
  File "/edx/app/edxapp/edx-platform/common/djangoapps/track/backends/mongodb.py", line 64, in __init__
    **extra
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/pymongo/mongo_client.py", line 274, in __init__
    raise ConnectionFailure(str(e))
pymongo.errors.ConnectionFailure: could not connect to localhost:27017: [Errno 111] Connection refused
rake aborted!
Command failed with status (1): [./manage.py lms --settings acceptance migr...]
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/file_utils.rb:53:in `block in create_shell_runner'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/file_utils.rb:45:in `call'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/file_utils.rb:45:in `sh'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/file_utils_ext.rb:37:in `sh'
/edx/app/edxapp/edx-platform/rakelib/acceptance_test.rake:43:in `block in <top (required)>'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/task.rb:246:in `call'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/task.rb:246:in `block in execute'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/task.rb:241:in `each'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/task.rb:241:in `execute'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/task.rb:184:in `block in invoke_with_call_chain'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/task.rb:177:in `invoke_with_call_chain'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/task.rb:205:in `block in invoke_prerequisites'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/task.rb:203:in `each'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/task.rb:203:in `invoke_prerequisites'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/task.rb:183:in `block in invoke_with_call_chain'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/task.rb:177:in `invoke_with_call_chain'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/task.rb:205:in `block in invoke_prerequisites'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/task.rb:203:in `each'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/task.rb:203:in `invoke_prerequisites'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/task.rb:183:in `block in invoke_with_call_chain'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/task.rb:177:in `invoke_with_call_chain'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/task.rb:170:in `invoke'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/application.rb:143:in `invoke_task'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/application.rb:101:in `block (2 levels) in top_level'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/application.rb:101:in `each'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/application.rb:101:in `block in top_level'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/application.rb:110:in `run_with_threads'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/application.rb:95:in `top_level'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/application.rb:73:in `block in run'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/application.rb:160:in `standard_exception_handling'
/edx/app/edxapp/.gem/gems/rake-10.0.4/lib/rake/application.rb:70:in `run'
Tasks: TOP => test:acceptance:lms => prep_for_acceptance_tests => setup_acceptance_db
(See full trace by running task with --trace)