### Question:
SeProxyService { public static SeProxyService getInstance() { return uniqueInstance; } private  SeProxyService(); static SeProxyService getInstance(); void setPlugins(SortedSet<ReaderPlugin> plugins); void addPlugin(ReaderPlugin plugin); SortedSet<ReaderPlugin> getPlugins(); ReaderPlugin getPlugin(String name); String getVersion();  }### Answer:
@Test public void testGetInstance() { assertNotNull(proxyService); }