GuidedTourObserver { protected void setMonitorBridge(final GuidedTourBridge bridge) { this.bridge = bridge; } GuidedTourObserver(final Disposer<T> selfDisposer);   }
@Test public void testSetMonitorBridge() { observer.setMonitorBridge(bridge); assertTrue(observer.getMonitorBridge().isPresent()); assertEquals(bridge, observer.getMonitorBridge().get()); }