anchor.diff:  -ifdef(have_callback_support).
   test_have_callback_support(_Config) ->
       Releases = ["R15B", "R15B01", "R15B02", "R15B03", "R16B", "R16B01",
  -                "R16B03-1", "17", "18", "19", "20", "21", "22", "23"],
  +                "R16B02", "R16B03-1", "17", "18", "19", "20", "21", "22", "23"],
       ?assert_w_note(lists:member(otp_rel(), Releases), otp_rel()),
       ok.
   -else.
  
positive.code: -else.
  test_with_maps(_Config) ->
      Releases = ["R14B04", "R15B", "R15B01", "R15B02", "R15B03", "R16B", "R16B01",
                  "R16B03-1", "17"],
      ?assert_w_note(lists:member(otp_rel(), Releases), otp_rel()),
      ok.
  -endif.
  
negative.code: -else.
  test_with_rand(_Config) ->
      Releases = ["R14B04", "R15B", "R15B01", "R15B02", "R15B03", "R16B", "R16B01",
                  "R16B02", "R16B03-1", "17"],
      ?assert_w_note(lists:member(otp_rel(), Releases), otp_rel()),
      ok.
  -endif.
  