public void responseBodyJson(final Object body) {
        try {
            val data = toJsonString(body);
            responseBody(data);
        } catch (final Exception e) {
            throw new IllegalArgumentException(e);
        }
    }
Provides a simple HTTP Web server that can serve out a single resource for
all requests.  SSL/TLS is not supported.

@author Marvin S. Addison
@since 3.4.6
core/cas-server-core-util-api/src/test/java/org/apereo/cas/util/MockWebServer.java