anchor.diff:      \"boolean\": true,
       \"integer\": 1,
       \"float\": 1.1,
  +    \"float_2\": 1.11,
  +    \"float_3\": 11.1,
  +    \"float_4\": 11.11,
       \"string\": \"string\",
       \"binary\": \"binary\"
   }
  
positive.code:                            , {test_boolean, true}
                             , {test_integer, 1}
                             , {test_float, 1.1}
                             , {test_string, "string"}
                             , {test_binary, <<"binary"/utf8>>}
                             ]
  
negative.code:     \"null\": \"{{<test_null}}\",
      \"integer\": \"{{<test_integer}}\",
      \"float\": \"{{<test_float}}\",
      \"float_2\": \"{{<test_float_2}}\",
      \"float_3\": \"{{<test_float_3}}\",
      \"float_4\": \"{{<test_float_4}}\",
      \"string\": \"{{<test_string}}\",
      \"binary\": \"{{<test_binary}}\"
  }
  