public static Set<Path> pluginPath(TestPlugin... plugins) {
        assertAvailable();
        return Arrays.stream(plugins)
                .filter(Objects::nonNull)
                .map(TestPlugin::testPackage)
                .distinct()
                .map(PLUGIN_JARS::get)
                .collect(Collectors.toSet());
    }
Assemble a plugin path containing some TestPlugin instances
@param plugins One or more plugins which should be included on the plugin path.
@return A list of plugin jar filenames containing the specified test plugins
@throws AssertionError if any plugin failed to load, or no plugins were loaded.
connect/runtime/src/test/java/org/apache/kafka/connect/runtime/isolation/TestPlugins.java