Function _assertFallback

test/jasmine/tests/map_test.js:1712–1727

(msg, exp)

        ].join(' ');

        function _assertFallback(msg, exp) {
            var allArgs = Lib.warn.calls.allArgs();

            if(allArgs.length === exp.warnCnt) {
                for(var i = 0; i < exp.warnCnt; i++) {
                    expect(allArgs[i][0]).toBe(arg, 'Lib.warn call #' + i);
                }
            } else {
                fail('Incorrect number of Lib.warn calls');
            }
            Lib.warn.calls.reset();

            getLayerIds().slice(94, -1).forEach(function(id) {
                expect(id.indexOf('plotly-')).toBe(0, 'layer ' + id + ' fallback to top of map');
            });
        }

        Plotly.newPlot(gd, [{
            type: 'scattermap',