
    "test1"
      usebundle => helper(helper("nested-bundle"));
                          ^----^
Error: Expected a built-in function but 'helper' is a bundle at tests/lint/019_nested_calls.x.cf:16:27

    "test2"
      usebundle => helper(mycopy("nested-body"));
                          ^----^
Error: Expected a built-in function but 'mycopy' is a body at tests/lint/019_nested_calls.x.cf:18:27

    "test3"
      usebundle => helper(unknown_name("oops"));
                          ^----------^
Error: Call to unknown function 'unknown_name' at tests/lint/019_nested_calls.x.cf:20:27

    "/tmp/test4"
      copy_from => mycopy(unknown_name("oops"));
                          ^----------^
Error: Call to unknown function 'unknown_name' at tests/lint/019_nested_calls.x.cf:23:27
FAIL: tests/lint/019_nested_calls.x.cf (4 errors)
Failure, 4 errors in total.
