anchor.diff:                           , [ {hostname, "example.com"}
                              , {some_var, "hi"}
                              , {version, "1"}
  +                           , {syntax, json}
  +                           , {test_null, null}
                              , {test_boolean, true}
                              , {test_integer, 1}
                              , {test_string, "string"}
  -                           , {test_null, null}
  +                           , {test_binary, <<"binary"/utf8>>}
                              ]
                            )
                  ).
  
positive.code: %% Mock response for unexpected disallow test:
  mock_lhttpc_request( "http://127.0.0.1/unexpected-disallow"
                     , "GET"
                     , []
                     , _
                     , _Timeout
                     , _Options
  
negative.code:     <<"--- Test 2 ---
  
  POST /test-params
  < 200
  < Content-Type: application/vnd.katt.test-v{{<version}}+{{<syntax}}
  {
      \"ok\": \"{{<some_var}}\",
      \"boolean\": \"{{<test_boolean}}\",
      \"null\": \"{{<test_null}}\",
      \"integer\": \"{{<test_integer}}\",
      \"string\": \"{{<test_string}}\",
      \"binary\": \"{{<test_binary}}\"
  }
  
  "/utf8>>);
  
  