Function shouldFail

test/integration/test-errors.js:50–64

(id)

  });

  function shouldFail(id) {
    // Skip for issue #110
    it.configure()
      .ifChrome()
      .run('should fail to load #' + id, () => {
        const e = fixture.doc.getElementById(id);
        expect(fixture.errors.join('\n')).to.contain(
          e.getAttribute('data-expectederror')
        );
        expect(e.getAttribute('error-message')).to.contain(
          e.getAttribute('data-expectederror')
        );
        expect(e.className).to.contain('i-amphtml-element-error');
      });
  }

  // Add cases to fixtures/errors.html and add them here.
  shouldFail('yt0');