@BeforeAll
        static void setup() throws Exception {
            val resource = new File(FileUtils.getTempDirectoryPath(), "keystore-missing.jwks");
            if (resource.exists()) {
                FileUtils.delete(resource);
            }
        }
This is {@link OidcFederationDefaultJsonWebKeystoreServiceTests}.

@author Misagh Moayyed
@since 7.3.0
support/cas-server-support-oidc/src/test/java/org/apereo/cas/oidc/federation/OidcFederationDefaultJsonWebKeystoreServiceTests.java