Integration test updating for "HDP" plugin

* Hadoop test for "HDP" plufin has added;
* Test code has	small code refactoring;
* Test code has changes because of "HDP" plugin addition;
* Rebased on master branch.

Change-Id: I9148a48d51c1ec7d8d367c8df4ab541f347a83ce
Merge "Integration test updating for "HDP" plugin"