[Java RESTEasy client] updating test to use the Java RESTEasy echo api client (#17367)#17470

Merged

wing328 merged 3 commits intoOpenAPITools:masterfrom miladhub:use_java_resteasy_echo_api_client_17367

Dec 26, 2023

+8,273-18,971

Commits on Dec 24, 2023

Commits on Dec 25, 2023

set source and target to 1.8 to fix workflow failure, adapted parser
miladhub
committed