Fix for CVE-2022-4137 in keycloak/keycloak (project keycloak__keycloak_CVE-2022-4137_20.0.4), commit 30d0e9d22dae51392e5a3748a1c68c116667359a
Fixed file: services/src/test/java/org/keycloak/theme/KeycloakSanitizerTest.java
Fixed class: KeycloakSanitizerTest (lines 32-83)
Fixed method: testUrls (lines 64-80)
Method signature: void testUrls()