minor: test case improv

Author: monfera

test/jasmine/tests/parcoords_test.js

@@ -793,6 +793,8 @@ describe('parcoords', function() {
                 var gd = createGraphDiv();
                 var mockCopy = Lib.extendDeep({}, mock);
                 var mockCopy2 = Lib.extendDeep({}, mock);
+                mockCopy.data[0].domain = {x: [0, 0.45]};
+                mockCopy2.data[0].domain = {x: [0.55, 1]};
                 mockCopy2.data[0].dimensions.splice(3, 4);
 
                 expect(document.querySelectorAll('.parcoords-line-layers').length).toEqual(0);
@@ -821,6 +823,8 @@ describe('parcoords', function() {
                 var gd = createGraphDiv();
                 var mockCopy = Lib.extendDeep({}, mock);
                 var mockCopy2 = Lib.extendDeep({}, mock);
+                mockCopy.data[0].domain = {y: [0, 0.35]};
+                mockCopy2.data[0].domain = {y: [0.65, 1]};
                 mockCopy2.data[0].dimensions.splice(3, 4);
 
                 expect(document.querySelectorAll('.parcoords-line-layers').length).toEqual(0);