E2E-Test Framework

##1. How to run the e2e test against :

a) Local CDAP sandbox:

Provide the local CDAP sandbox URL in connectionParameters.properties file.

cdfurl=http://localhost:11011/pipelines/ns/default/studio

Other keys (like dataset, projectId etc.) can be modified as needed.

b) Remote CDAP instance:

Modify the key cdfurl in connectionParameters.properties to connect to remote CDAP instance.

cdfurl=http://ip address:port/pipelines/ns/default/studio

##2. How to debug test failures. where logs and screenshots can be found. REFER Debugtest.md

##3. (a) How to add new tests. ex - for new plugin in google-cloud. (b) How to enable e2e tests for a new plugin repository. REFER Addnewplugin.md