Update oauth2/src/test/java/feign/auth/oauth2/AbstractKeycloakTest.java

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: hosuaby

Diff for: oauth2/src/test/java/feign/auth/oauth2/AbstractKeycloakTest.java

@@ -49,8 +49,8 @@ static void dynamicProperties(DynamicPropertyRegistry registry) {
 
     registry.add(
         "spring.security.oauth2.resourceserver.jwt.issuer-uri",
-        () -> String.format("http://%s:%d/realms/master", host, port));
-    registry.add(
+        () -> "http://%s:%d/realms/master".formatted(host, port));
+            "http://%s:%d/realms/master/protocol/openid-connect/certs".formatted(host, port));
         "spring.security.oauth2.resourceserver.jwt.jwk-set-uri",
         () ->
             String.format("http://%s:%d/realms/master/protocol/openid-connect/certs", host, port));