Installing required dependencies for Chrome Driver

[alaxalves]

Installing required dependencies for chrome driver and installing it in our docker image.

Fixes #5725 and #5683 (<=== Add issue number here)

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[alaxalves]

@jywarren Could you check this out?

[jywarren]

Hmm, i see:

$ tail -n +2 -q ./test/reports/TEST*.xml >> output.xml
tail: cannot open ‘./test/reports/TEST*.xml’ for reading: No such file or directory

This is where we've been keeping junit test output. Maybe the changes have affected the relative path, or the timing of creating the /reports/ directory?

[jywarren]

Ah! I see the reports folder is being deleted on this line - so there may be an ordering thing going on here:

https://travis-ci.org/publiclab/plots2/jobs/535281058#L5144

[alaxalves]

@jywarren I think I might know what's going on, this command only makes sense when we just ran the system tests right? So since I have split those commands execution it will brake when it runs in normal tests. I'll fix that.

[jywarren]

yes, i think that's right. Although junit was originally for regular, not system tests. I honestly don't remember where we put the folder deletion line, but we can probably use search to find it!

[jywarren]

I think Travis isn't running due to the conflicts?

[jywarren]

Exciting, thanks @alaxalves !!!

[alaxalves]

Exciting, thanks @alaxalves !!!

@jywarren Great news, it's done. Build is taking ~8 minutes to run all tests now. I see that there are other ways to improve our CI/Docker interaction, but this will work well for now.

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[jywarren]

OMG awesome!!!!!! @icarito check this out!!!