[Checkins] [zopefoundation/zc.zodbrecipes] 21b709: Erase previous coverage data

[Jürgen Gmach]

  Branch: refs/heads/fix-coverage
  Home:   https://github.com/zopefoundation/zc.zodbrecipes
  Commit: 21b7099e9fad373fd8b1a7a3973a8527a17d0fb0
      https://github.com/zopefoundation/zc.zodbrecipes/commit/21b7099e9fad373fd8b1a7a3973a8527a17d0fb0
  Author: Jürgen Gmach <juergen.gmach at googlemail.com>
  Date:   2020-05-17 (Sun, 17 May 2020)

  Changed paths:
    M tox.ini

  Log Message:
  -----------
  Erase previous coverage data

Without using the `erase` command, it was possible that one got wrong
results, as coverage data from previous runs could have been used.

modified:   tox.ini