message: Updated test to match uuid bson serialization
diff: @@ -164,9 +164,9 @@ TEST_CASE("canonical_extjson_corpus", "[bson]") {
  }
  SECTION("subtype 0x04 (UUID)") {
  - run_corpus<UUID>("u", {"{\"u\" : { \"$uuid\" : \"01234567-89ab-cdef-edcb-a98765432101\"}}", [](auto val) {
  + run_corpus<UUID>("u", {"{\"u\":{\"$binary\":{\"base64\":\"ASNFZ4mrze/ty6mHZUMhAQ==\",\"subType\":\"04\"}}}", [](auto val) {
  auto uuid = UUID("01234567-89ab-cdef-edcb-a98765432101");
  - CHECK((val == uuid));
  + CHECK(val == uuid);
  }});
  }
  }
  @@ -509,7 +509,7 @@ TEST_CASE("canonical_extjson_corpus", "[bson]") {
  "{\"$numberLong\": \"0\"}}, \"DatetimePositive\": {\"$date\": {\"$numberLong\": \"2147483647\"}}, "
  "\"DatetimeNegative\": {\"$date\": {\"$numberLong\": \"-2147483648\"}}, \"True\": true, \"False\": "
  "false, \"Minkey\": {\"$minKey\": 1}, \"Maxkey\": {\"$maxKey\": 1}, \"Null\": null, \"UUID\": "
  - "{\"$uuid\": \"00000000-0000-0000-0000-000000000000\"}}");
  + "{\"$binary\":{\"base64\":\"AAAAAAAAAAAAAAAAAAAAAA==\", \"subType\":\"04\"}}}");
  std::string binary = "o0w498Or7cijeBSpkquNtg==";
  std::string binary_user_defined = "AQIDBAU=";
  