Update test "drag to wide-range -> rotate labels" for autotickangles

Author: my-tien

test/jasmine/tests/cartesian_interact_test.js

@@ -779,13 +779,13 @@ describe('axis zoom/pan and main plot zoom', function() {
 
         function _assertLabels(msg, exp) {
             var tickLabels = d3Select(gd).selectAll('.xtick > text');
-            expect(tickLabels.size()).toBe(exp.angle.length, msg + ' - # of tick labels');
+            expect(tickLabels.size()).withContext(msg + ' - # of tick labels').toBe(exp.angle.length);
 
             tickLabels.each(function(_, i) {
                 var t = d3Select(this).attr('transform');
                 var rotate = (t.split('rotate(')[1] || '').split(')')[0];
                 var angle = rotate.split(',')[0];
-                expect(Number(angle)).toBe(exp.angle[i], msg + ' - node ' + i);
+                expect(Number(angle)).withContext(msg + ' - node ' + i).toBeCloseTo(exp.angle[i], 2);
             });
 
             var tickLabels2 = d3Select(gd).selectAll('.xtick2 > text');
@@ -813,7 +813,7 @@ describe('axis zoom/pan and main plot zoom', function() {
         })
         .then(function() {
             return _run('drag to wide-range -> rotates labels', [-340, 0], {
-                angle: [90, 90, 90, 90, 90, 90, 90],
+                angle: [30, 30, 30, 30, 30, 30, 30],
                 y: [430, 430]
             });
         })