code: def test(t, type, input, output, status=0):
      code = ["include echo_args.jam ; echo_%s" % type]
      if input:
          code.append(input)
      code.append(";")
      t.write("file.jam", " ".join(code))
      t.run_build_system(["-ffile.jam"], status=status)
      t.expect_output_lines(output)
  
imports: import BoostBuild
label_desc: Use image node_id 2 for calling a global function with example usage: test(t, type, input, output, status) without return types