@Test
public void testBoolean() {

  source = new NetworkTableEntrySource(eventBus,
      origin -> new MockExceptionWitness(eventBus, origin),
      osf,
      testingNtManager,
      BOOLEAN_PATH,
      NetworkTableEntrySource.Types.BOOLEAN);
  assertTrue("Socket could not be updated", source.updateOutputSockets());
  assertTrue("The socket's value was false, expected true.",
      (boolean) source.getOutputSockets().get(0).getValue().get());
}