How Can I Debug the Request/Response Being Sent by the Generated Tests Client?

The generated tests all boil down to RestAssured in some form or fashion. RestAssured relies on the Apache HttpClient. HttpClient has a facility called wire logging, which logs the entire request and response to HttpClient. Spring Boot has a logging common application property for doing this sort of thing. To use it, add it to your application properties, as follows:

logging.level.org.apache.http.wire=DEBUG