Protractor not getting elements

Question

I've got an Angular 6 app with e2e test I'm trying to make. In this test I first login, then trying to get all menu items and click over them, however I'm unable even to get a menu. My test results in timeout

should easily navigate by menu - Failed: script timeout: result was not received in 11 seconds (Session info: chrome=70.0.3538.77)

And first string from below (any way it doesn't make much sense)

From: Task: Protractor.waitForAngular() - Locator: [object Object] at Driver.schedule

describe('Walking through', () => {

    let page: AppPage;

    beforeEach(() => {
        page = new AppPage();
    });

    it('should be at proper url', () => {
        page.navigateTo();
        page.logIn(
            'test',
            'password'
        );
        expect(
            browser.wait(browser.ExpectedConditions.urlContains('dashboard'), 5000)
                .catch(() => false)
        ).toBeTruthy();
    });

    // Not working
    it('should easily navigate by menu', () => {
        const menu = element(by.css('.menu'));

        expect(menu).toBeTruthy();

        const menuItems = element(menu).all(by.tagName('li'));

        expect(menuItems).toBeTruthy();

        menuItems.each(e => {
            browser.sleep(500);
            e.click();
            expect(e).toBeTruthy();
        });
    });
});