root/pypi: links for test-helpers

root/pypi test_helpers-1.6.0-py2.py3-none-any.whl
root/pypi test-helpers-1.5.4.tar.gz
root/pypi test-helpers-1.5.3.tar.gz
root/pypi test_helpers-1.5.3-py2-none-any.whl
root/pypi test-helpers-1.5.1.tar.gz
root/pypi test-helpers-1.5.0.tar.gz
root/pypi test-helpers-1.0.0.tar.gz