@Test
public void shouldRemoveTheMetadataFromAnEnvelopeJsonStringAndConvertToJsonObject() throws Exception {

    final UUID streamId = randomUUID();
    final String commandName = "time-travel-initiated";
    final JsonEnvelope jsonEnvelope = envelopeFrom(metadataBuilder()
                    .withId(randomUUID())
                    .withStreamId(streamId)
                    .withName(commandName),
            createObjectBuilder()
                    .add("destination", "Jurassic Era"));
    final String envelopeJson = jsonEnvelope.toDebugStringPrettyPrint();
    final JSONObject jsonObject = payloadExtractor.extractPayloadFrom(envelopeJson);
    final String json = jsonObject.toString();
    with(json)
            .assertThat("$.destination", is("Jurassic Era"))
            .assertNotDefined(METADATA)
    ;
}