Move RubyGems configuration files to root of the repository

Authored by zeljkofilipin on Jun 6 2018, 11:55 AM.

Description

Move RubyGems configuration files to root of the repository

selenium-WikibaseLexeme-chrome Jenkins job is failing with Could not locate Gemfile. It is expecting Gemfile and Gemfile.lock files to be in root of the repository, not in tests/browser folder.

Bug: T194252
Change-Id: I3015342858dbc72d9131476fcdc0db79cba070fe