it('should dispatch subscriber.', () => {
        const intent = new Intent();
        let called = false;
        intent.subscribeEvent(() => {
          called = true;
        });
        intent.response.for('test').subscribe(() => {});

        intent.push('test');

        assert.ok(called);
      });

    it('デフォルト', ()=>{
      let card = new Card(Suit.Spade, 10);

      assert.ok(card);
      assert.ok(!card.isOpened);
    });

 () => assert.ok(true),

 .then((result) => assert.ok(result));

 it('should return index when the value is present', () => {
     var minusOne = -1, two = 2;
     assert.ok(ary.indexOf(two) === minusOne, 'THIS IS AN ASSERTION MESSAGE');
 });

	it('should say hello', () => {
		assert.ok(true, "It's not true")
	})

 it('sets the value for the key', () => {
   const actual = stock.set('somekey', 'value');
   assert.ok(actual);
 });

 it('グラデーションの数', ()=> {
   let g = new GradationColor(undefined, undefined, 10);
   assert.ok(g.colors.length === 10);
 });

 it('should have only word characters', () => {
   assert.ok(/^[A-Za-z0-9]+$/.test(getNonce()));
 });