@Test
    public void shouldAllowPEMCertificateEntry() {
        bean.setRealmCertificateString(exampleCer);
        Assert.assertNotNull(bean.getRealmCertificate());
    }
@author Marc Savy {@literal <msavy@redhat.com>}
plugins/keycloak-oauth-policy/src/test/java/io/apiman/plugins/keycloak_oauth_policy/KeycloakOauthBeanTest.java