To run unit tests:
    melange_client_dir> ./run_tests.sh melange_client.tests.unit

To run functional tests:
1. Start the melange server
2. Update the configuration values in 
      melange_client/tests/functional/tests.conf 
   to point to the melange server
3. Run the tests:
   melange_client_dir> ./run_tests.sh melange_client.tests.functional