@Test
 public void testJenkinsConnectivityBroken() throws IOException {
   Mockito.when(client.get("/")).thenThrow(IOException.class);
   assertEquals(server.isRunning(), false);
 }
 @Test
 public void testJenkinsConnectivity() throws IOException {
   Mockito.when(client.get("/")).thenReturn("<xml>not a real response</xml>");
   assertEquals(server.isRunning(), true);
 }