Add test-jar dependency only if maven.test.skip property is false
Add test-jar dependency only if maven.test.skip property is false

Closes #11192

raehalme/keycloak,hmlnarik/keycloak,raehalme/keycloak,abstractj/keycloak,keycloak/keycloak,jpkrohling/keycloak,abstractj/keycloak,ahus1/keycloak,srose/keycloak,stianst/keycloak,thomasdarimont/keycloak,jpkrohling/keycloak,reneploetz/keycloak,srose/keycloak,stianst/keycloak,raehalme/keycloak,keycloak/keycloak,reneploetz/keycloak,abstractj/keycloak,ahus1/keycloak,raehalme/keycloak,srose/keycloak,mhajas/keycloak,mhajas/keycloak,thomasdarimont/keycloak,jpkrohling/keycloak,raehalme/keycloak,keycloak/keycloak,thomasdarimont/keycloak,srose/keycloak,thomasdarimont/keycloak,raehalme/keycloak,stianst/keycloak,srose/keycloak,reneploetz/keycloak,thomasdarimont/keycloak,mhajas/keycloak,hmlnarik/keycloak,keycloak/keycloak,ahus1/keycloak,hmlnarik/keycloak,stianst/keycloak,ahus1/keycloak,stianst/keycloak,abstractj/keycloak,mhajas/keycloak,reneploetz/keycloak,thomasdarimont/keycloak,mhajas/keycloak,keycloak/keycloak,reneploetz/keycloak,hmlnarik/keycloak,hmlnarik/keycloak,jpkrohling/keycloak,ahus1/keycloak,jpkrohling/keycloak,hmlnarik/keycloak,abstractj/keycloak,ahus1/keycloak