Support `setup` and `teardown` attributes in test suites

[kkajla12]

Test suites should support a setup and a teardown block. The setup block expects a list of requests to be made to setup data for the test suite and the teardown block expects a list of requests to teardown/cleanup the data for the test suite.

{
   "setup": [

   ],
   "tests": [

   ],
   "teardown": [

   ]
}