Function _assertOne

test/jasmine/tests/box_test.js:1116–1119

(msg, exp, trace3, k, query)

        delete fig.data[0].boxpoints;

        function _assertOne(msg, exp, trace3, k, query) {
            expect(trace3.selectAll(query).size())
                .toBe(exp[k] || 0, k + ' - ' + msg);
        }

        function _assert(msg, exp) {
            var trace3 = d3Select(gd).select('.boxlayer > .trace');