code: def test_get_required_outputs():
      """Shared - Get Required Outputs"""
      outputs = resources.get_required_outputs()
      assert_equal(len(outputs), 1)
      assert_equal(outputs, {"aws-firehose:alerts"})
  
imports: from nose.tools import assert_equal, assert_count_equal
  from streamalert.shared import resources
label_desc: Use image node_id 1 for calling a global function with example usage: test_get_required_outputs() without return types