adding separate ROOT to resolve #125 issue

[omkarkhatavkar]

Fixed #125

Test Result

testing/test_date_picker.py .                                                          [100%]

====================================== warnings summary ======================================
testing/test_data_visualization.py:51
  /home/okhatavk/Learning/widgetastic.patternfly/testing/test_data_visualization.py:51: PytestCollectionWarning: cannot collect test class 'TestDataVisualization' because it has a __init__ constructor (from: testing/test_data_visualization.py)
    class TestDataVisualization(View):

-- Docs: https://docs.pytest.org/en/stable/warnings.html
=================== 1 passed, 99 deselected, 1 warning in 76.34s (0:01:16) ===================

[omkarkhatavkar]

Travis Issue fixed in PR #128