@Test
public void booleanToJson() {

    JsonNode converted = parse(converter.fromConnectData(TOPIC, Schema.BOOLEAN_SCHEMA, true));
    validateEnvelope(converted);
    assertEquals(parse("{ \"type\": \"boolean\", \"optional\": false }"), converted.get(JsonSchema.ENVELOPE_SCHEMA_FIELD_NAME));
    assertEquals(true, converted.get(JsonSchema.ENVELOPE_PAYLOAD_FIELD_NAME).booleanValue());
}