anchor.diff:      ok.
   -else.
   test_have_ssl_handshake(_Config) ->
  -    ?assert(lists:member(erlang:system_info(otp_release), ["R14B04", "R15B", "R16B", "18", "19"])),
  +    ?assert(lists:member(erlang:system_info(otp_release), ["R14B04", "R15B",
  +                                                           "R16B", "18", "19"])),
       ok.
   -endif.
   
  
positive.code: 
  -ifdef(with_crypto_hash).
  test_with_crypto_hash(_Config) ->
      ?assert(lists:member(erlang:system_info(otp_release), ["R16B", "18", "19", "20", "21", "22"])),
      ok.
  -else.
  test_with_crypto_hash(_Config) ->
  
negative.code: 
  -ifdef(with_rand).
  test_with_rand(_Config) ->
      ?assert(lists:member(erlang:system_info(otp_release), ["18", "19", "20", "21",
                                                             "22"])),
      ok.
  -else.
  test_with_rand(_Config) ->
      ?assert(lists:member(erlang:system_info(otp_release), ["R14B04", "R15B",
                                                             "R16B"])),
      ok.
  -endif.
  
  