@Test
    void verifyValidateSignatureGoodToken() throws Throwable {
        val wresult = IOUtils.toString(new ClassPathResource("goodTokenResponse.txt").getInputStream(), StandardCharsets.UTF_8);
        val token = wsFederationHelper.getRequestSecurityTokenFromResult(wresult);
        val assertion = wsFederationHelper.buildAndVerifyAssertion(token,
            wsFederationConfigurations.toList(), RegisteredServiceTestUtils.getService());
        val result = wsFederationHelper.validateSignature(assertion);
        assertTrue(result);
    }
Test cases for {@link WsFederationHelper}.

@author John Gasper
@since 4.2.0
support/cas-server-support-wsfederation/src/test/java/org/apereo/cas/support/wsfederation/WsFederationHelperTests.java