[Checkins] [zopefoundation/RestrictedPython] 401edc: Fix coverage.

[Michael Howitz]

  Branch: refs/heads/fix-coverage
  Home:   https://github.com/zopefoundation/RestrictedPython
  Commit: 401edc0501f82095a56414d360d70ce96850b414
      https://github.com/zopefoundation/RestrictedPython/commit/401edc0501f82095a56414d360d70ce96850b414
  Author: Michael Howitz <mh at gocept.com>
  Date:   2019-02-09 (Sat, 09 Feb 2019)

  Changed paths:
    M setup.cfg
    M tests/__init__.py
    M tests/test_Guards.py
    M tests/test_compile.py
    M tox.ini

  Log Message:
  -----------
  Fix coverage.

IMHO tests are part of the code and should be part when computing coverage.
By adding them to coverage I was able to find unused code in the tests.