Fix time scale tests using the wrong chart instance

Some tests were using the removed global `chartInstance` variable, so tests values were incorrect since against the wrong chart instance.

diff --git a/test/scale.time.tests.js b/test/scale.time.tests.js
index c76dde88a61b0c5b67226c9eb2ef19b79167fb44..c37910934ba761bad6cc63f9ec745ccb76470769 100755 (executable)
--- a/test/scale.time.tests.js
+++ b/test/scale.time.tests.js
@@ -453,36 +453,24 @@ describe('Time scale tests', function() {
                var xScale = chart.scales.xScale0;
                expect(xScale.getLabelForIndex(0, 0)).toBe('2015-01-01T20:00:00');
                expect(xScale.getLabelForIndex(6, 0)).toBe('2015-01-10T12:00');
-
        });
+
        it('should get the correct pixel for only one data in the dataset', function() {
                var chart = window.acquireChart({
                        type: 'line',
                        data: {
                                labels: ["2016-05-27"],
                                datasets: [{
-                                       type: "line",
+                                       xAxisID: 'xScale0',
                                        data: [5]
                                }]
                        },
                        options: {
                                scales: {
                                        xAxes: [{
+                                               id: 'xScale0',
                                                display: true,
-                                               type: "time",
-                                               time: {
-                                                       displayFormats: {
-                                                               "day": "YYYY-MM-DD"
-                                                       }
-                                               }
-                                       }],
-                                       yAxes: [{
-                                               type: "linear",
-                                               ticks: {
-                                                       reverse: true,
-                                                       min: 0,
-                                                       max: 10
-                                               }
+                                               type: "time"
                                        }]
                                }
                        }
@@ -490,9 +478,9 @@ describe('Time scale tests', function() {
 
                var xScale = chart.scales.xScale0;
 
-               expect(xScale.getPixelForValue('', 0, 0)).toBeCloseToPixel(78);
+               expect(xScale.getPixelForValue('', 0, 0)).toBeCloseToPixel(62);
 
-               expect(xScale.getValueForPixel(78)).toBeCloseToTime({
+               expect(xScale.getValueForPixel(62)).toBeCloseToTime({
                        value: moment(chart.data.labels[0]),
                        unit: 'day',
                        threshold: 0.75
@@ -505,13 +493,14 @@ describe('Time scale tests', function() {
                        data: {
                                labels: ["2016-06-26"],
                                datasets: [{
-                                       type: "line",
+                                       xAxisID: 'xScale0',
                                        data: [5]
                                }]
                        },
                        options: {
                                scales: {
                                        xAxes: [{
+                                               id: 'xScale0',
                                                display: true,
                                                type: "time",
                                        }]
@@ -520,7 +509,6 @@ describe('Time scale tests', function() {
                });
 
                var xScale = chart.scales.xScale0;
-
                var getOutOfBoundLabelMoment = function() {
                        xScale.getLabelMoment(12, 0);
                };
@@ -534,13 +522,14 @@ describe('Time scale tests', function() {
                        data: {
                                labels: ["2016-06-26"],
                                datasets: [{
-                                       type: "line",
+                                       xAxisID: 'xScale0',
                                        data: [5]
                                }]
                        },
                        options: {
                                scales: {
                                        xAxes: [{
+                                               id: 'xScale0',
                                                display: true,
                                                type: "time",
                                        }]