@Test public void testAuthority() { ManagedChannel sub1 = Mockito.mock(ManagedChannel.class); ManagedChannel sub2 = Mockito.mock(ManagedChannel.class); Mockito.when(sub1.authority()).thenReturn("myAuth"); ChannelPool pool = new ChannelPool(Lists.newArrayList(sub1, sub2)); Truth.assertThat(pool.authority()).isEqualTo("myAuth"); }