code: def test_flows(tester):
      success = tester.run()
      i = tester.index
      expected = tester.expected_pass_order
      observed = tester.observed_pass_order
      assert (
          success
      ), f"Tester {i} fails: expected ({expected}), observed ({observed})"
  
imports: import pytest
  import hls4ml
label_desc: Use image node_id 2 for calling a global function with example usage: test_flows(tester) without return types