Fix a selenium test on Chrome
Fix a selenium test on Chrome

Chrome cannot click a clickable element that is not in view (see
https://stackoverflow.com/questions/11908249/debugging-element-is-not-clickable-at-point-error).
Fixed with a fix which is a bit dirty; this functionality should go into
django-selenium-clean.

aptiko/enhydris,openmeteo/enhydris,kickapoo/enhydris,openmeteo/enhydris,kickapoo/enhydris,aptiko/enhydris,openmeteo/enhydris,aptiko/enhydris,kickapoo/enhydris