Java 8 is required

[saeidzebardast]

The latest selenium is compiled by java 8. if you install default-jre, you will get Unsupported major.minor version 52.0 error after running wct. You need to install java 8 or use newer nodesource docker.

[mdb]

@saeidzebardast Thanks for pointing this out. I'm able to reproduce here:

https://travis-ci.org/mdb/docker-wct/builds/151483816