removed call DigitalOceanState class from method run
replaced methods get_do_data and get_all_droplets to DigitalOceanState class; changed initialize method for DigitalOceanState class: now it get parameter config
added DigitalOceanStateTest class that extends DigitalOceanState class and reload get_do_data method for testing methods without calling to DO api; changed spec for use new class