@Override
    protected void populateContextWithUrl(final MockWebContext context, final String url) {
        super.populateContextWithUrl(context, url);
        context.setRequestMethod(HttpConstants.HTTP_METHOD.POST.name());
    }
Tests the testshib.org provider.

@author Jerome Leleu
@since 1.9.3
pac4j-saml/src/test/java/org/pac4j/saml/run/RunTestshib.java