@Test
public void broadcastChannelNofified() {
final String escalationChannel = "duke";
BrowserWindow window = mock(BrowserWindow.class);
when(window.getChannel()).thenReturn("");
Escalation escalation = new Escalation();
escalation.setChannel(escalationChannel);
this.cut.onEscalationBrowserRequest(window);
this.cut.addEscalation(escalation);
verify(window, never()).send();
this.cut.notifyEscalationListeners();
verify(window).send();