I can`t receive push notifications from ionic push services

Ionic Framework ionic-v3
1

import { Component, ViewChild } from ‘@angular/core’;
import { Nav, Platform } from ‘ionic-angular’;
import { StatusBar } from ‘@ionic-native/status-bar’;
import { SplashScreen } from ‘@ionic-native/splash-screen’;

import { HomePage } from ‘…/pages/home/home’;
import { ListPage } from ‘…/pages/list/list’;
import { CloudSettings, CloudModule } from ‘@ionic/cloud-angular’;
import { Push, PushToken } from ‘@ionic/cloud-angular’;

@Component({
templateUrl: ‘app.html’
})
export class MyApp {
@ViewChild(Nav) nav: Nav;

rootPage: any = HomePage;

pages: Array<{title: string, component: any}>;

constructor(public platform: Platform,
public statusBar: StatusBar,
public splashScreen: SplashScreen,
public push: Push
) {
this.initializeApp();

// used for an example of ngFor and navigation
this.pages = [
  { title: 'Home', component: HomePage },
  { title: 'List', component: ListPage }
];

}

initializeApp() {
this.platform.ready().then(() => {
// Okay, so the platform is ready and our plugins are available.
// Here you can do any higher level native things you might need.
this.statusBar.styleDefault();
this.splashScreen.hide();
this.register();
});
}

openPage(page) {
// Reset the content nav to have just this page
// we wouldn’t want the back button to show in this scenario
this.nav.setRoot(page.component);
}
register(){
this.push.register().then((t: PushToken) => {
return this.push.saveToken(t);
}).then((t: PushToken) => {
console.log(‘Token saved:’, t.token);
});
this.push.rx.notification()
.subscribe((msg) => {
alert(msg.title + ': ’ + msg.text);
});

}

}

IONIC FRAMEWORK: 3.3.0
IONIC APP SCRIPTS: 1.3.7
ANGULAR CORE: 4.1.2
ANGULAR COMPILER CLI: 4.1.2
NODE: 7.10.0
OS PLATFORM: MACOS SIERRA
NAVIGATOR PLATFORM: MACINTEL

this app is in blank for testing