Comment 2 for bug 1796356

The version mismatch shouldn't be a problem, see comments #6 and #7 in bug #1722585.
Please share details about the crash you're getting when trying to use chromium-chromedriver.

Note that the autopkgtests for chromium-browser use chromium-chromedriver and they consistently pass, so you might want to take a look at how they are written, e.g. https://bazaar.launchpad.net/~chromium-team/chromium-browser/cosmic-stable/view/head:/debian/tests/chromium-version.