message: ci: update local chrome to v56
  Change required in previous commit that upgrades the CLI version.
  env.sh: protractor v.5 requires a later version of chromium. Upping to 433059/Chrome 56.
diff: @@ -7,7 +7,7 @@ echo 'travis_fold:start:ENV'
  NODE_VERSION=6.9.5
  NPM_VERSION=3.10.7 # do not upgrade to >3.10.8 unless https://github.com/npm/npm/issues/14042 is resolved
  YARN_VERSION=0.19.1
  -CHROMIUM_VERSION=403382 # Chrome 53 linux stable, see https://www.chromium.org/developers/calendar
  +CHROMIUM_VERSION=433059 # Chrome 56 linux stable, see https://www.chromium.org/developers/calendar
  SAUCE_CONNECT_VERSION=4.3.11
  