Function assertPtOpacity

test/jasmine/tests/select_test.js:3378–3383

(selector, expected)

    afterEach(destroyGraphDiv);

    function assertPtOpacity(selector, expected) {
        d3SelectAll(selector).each(function(_, i) {
            var style = Number(this.style.opacity);
            expect(style).toBe(expected.style[i], 'style for pt ' + i);
        });
    }

    it('should persist for scatter', function(done) {
        function _assert(expected) {