source: class CacheClientBuilderTest {
  
      private final ServerLocator serverLocator;
  
      @Test
      public void testClientId() {
  
target:         try (CacheClient client = CacheClient
                  .newBuilder()
                  .serverLocator(serverLocator)
                  .clientId("foo")
                  .build();) {
              assertTrue(client.getClientId().startsWith("foo"));
          }
      }
  
  }