it("registered command executed", function () {
     const commandManager = new CommandManager();
     commandManager.registerCommand("test", function () {
         return 182;
     });
     const result = commandManager.executeCommand("test");
     expect(result).toEqual(182);
 });

 public showRating() {
     this.commandManager.executeCommand("pageblock.other");
     this.showSecondary("rating");
 }

 public showChat() {
     this.commandManager.executeCommand("pageblock.other");
     this.showSecondary("chat");
 }