text: """Setup unit test environment."""
  
  import sys
  import os
  
  import test_constants
  
  # make sure tests can import the app code
  my_path = os.path.dirname(os.path.abspath(__file__))
  sys.path.insert(0, my_path + '/../../src/')
  
  # set expected config environment variables to test constants
  os.environ['AWS_DEFAULT_REGION'] = 'us-east-1'
  os.environ['TABLE_NAME'] = test_constants.TABLE_NAME
  os.environ['LOG_LEVEL'] = test_constants.LOG_LEVEL
  os.environ['BUG_ENABLED'] = test_constants.BUG_ENABLED
  