Issue #2810289: Updated [Varbase 8.x-4.x] profile : Added the full VarbaseContext and had more working automated testing gherkin features

Issue #2780225: Integrated Varbase [8.x-4.x] with travis-ci to use Drupal 8 core Behat for Behavior and functional testing

Issue #2780225: Integrated Varbase [8.x-4.x] with travis-ci to use Drupal 8 core Behat for Behavior and functional testing