### Question:
X509TrustManagerImpl implements X509TrustManager { @Override public X509Certificate[] getAcceptedIssuers() { return new X509Certificate[0]; } X509TrustManagerImpl(Certificate controllerCert); @Override void checkServerTrusted(X509Certificate[] certs, String arg1); @Override void checkClientTrusted(X509Certificate[] certs, String arg1); @Override X509Certificate[] getAcceptedIssuers();  }### Answer:
@Test public void getAcceptedIssuers() { assertNotNull(x509TrustManager.getAcceptedIssuers()); }