* Begin breaking out cli_test.py
* simplify main
* refactor porse tests
* move determine account tests to main_test.py
* move duplicate cert test to main_test.py
* move cli stuff out of the way
* add test_renewal.py
* move error test into error_handler_test.py
* move test_read_file
* move test_no_gui out of MainTest
* move test_install_abspath to parsetest
* Move main tests into main_test.py
* move cli tests back into cli_test.py
* clean up cli_test.py
* move punycode test to util_test.py
* Fix NameError from missing plugins_disco
* Fix linting errors
* test_renewal.py -> renewal_test.py
* rm not_cli_test.py
* Move main._handle_exception test to main_test.py
* Move renewal import in renewal_test.py
from @ohemorange comments
* certbot.tests.test_util -> certbot.tests.util
* Fix issues from rebasing.
* Fix testing issue with option_was_set
* fix linting issue