implement connectGaps for line plots

Author: mikolalysenko

devtools/test_dashboard/test_gl3d.js

@@ -38,5 +38,6 @@ plots['nan-holes'] = require('@mocks/gl3d_nan-holes.json');
 plots['connectgaps'] = require('@mocks/gl3d_scatter3d-connectgaps.json');
 plots['tet'] = require('@mocks/gl3d_tet.json');
 plots['surface_intensity'] = require('@mocks/gl3d_surface_intensity.json');
+plots['connectgaps'] = require('@mocks/gl3d_scatter3d-connectgaps.json');
 
 plotButtons(plots, figDir);

test/image/baselines/gl3d_scatter3d-connectgaps.png

@@ -8,6 +8,6 @@
     "connectgaps": false
   }],
   "layout": {
-    "title": "connect gaps test",
+    "title": "connect gaps test"
   }
 }