fixup tests post _length===0 commit

Author: etpinard

test/jasmine/tests/transform_filter_test.js

@@ -1321,7 +1321,15 @@ describe('filter transforms interactions', function() {
 });
 
 describe('filter resulting in empty coordinate arrays', function() {
-    afterEach(destroyGraphDiv);
+    var gd;
+
+    afterEach(function(done) {
+        Plotly.purge(gd);
+        setTimeout(function() {
+            destroyGraphDiv();
+            done();
+        }, 200);
+    });
 
     function filter2empty(mock) {
         var fig = Lib.extendDeep({}, mock);
@@ -1348,7 +1356,7 @@ describe('filter resulting in empty coordinate arrays', function() {
             }
 
             it(d[0], function(done) {
-                var gd = createGraphDiv();
+                gd = createGraphDiv();
                 var fig = filter2empty(d[1]);
                 Plotly.newPlot(gd, fig).catch(failTest).then(done);
             });
@@ -1360,7 +1368,7 @@ describe('filter resulting in empty coordinate arrays', function() {
 
         mockList.forEach(function(d) {
             it('@gl ' + d[0], function(done) {
-                var gd = createGraphDiv();
+                gd = createGraphDiv();
                 var fig = filter2empty(d[1]);
                 Plotly.newPlot(gd, fig).catch(failTest).then(done);
             });
@@ -1376,7 +1384,7 @@ describe('filter resulting in empty coordinate arrays', function() {
 
         mockList.forEach(function(d) {
             it('@noCI ' + d[0], function(done) {
-                var gd = createGraphDiv();
+                gd = createGraphDiv();
                 var fig = filter2empty(d[1]);
                 Plotly.newPlot(gd, fig).catch(failTest).then(done);
             });

test/jasmine/tests/waterfall_test.js

@@ -957,7 +957,7 @@ describe('A waterfall plot', function() {
         .then(done);
     });
 
-    it('should be able to deal with blank bars on transform', function(done) {
+    it('should be able to deal with transform that empty out the data coordinate arrays', function(done) {
         Plotly.plot(gd, {
             data: [{
                 type: 'waterfall',
@@ -974,14 +974,11 @@ describe('A waterfall plot', function() {
         })
         .then(function() {
             var traceNodes = getAllTraceNodes(gd);
-            var waterfallNodes = getAllWaterfallNodes(traceNodes[0]);
-            var pathNode = waterfallNodes[0].querySelector('path');
+            expect(traceNodes.length).toBe(0);
 
             expect(gd.calcdata[0][0].x).toEqual(NaN);
             expect(gd.calcdata[0][0].y).toEqual(NaN);
-            expect(gd.calcdata[0][0].isBlank).toBe(true);
-
-            expect(pathNode.outerHTML).toEqual('<path d="M0,0Z" style="vector-effect: non-scaling-stroke;"></path>');
+            expect(gd.calcdata[0][0].isBlank).toBe(undefined);
         })
         .catch(failTest)
         .then(done);