Merge pull request #2000 from UV-CDAT/fix_png_window_resize

Fix regression for test_vcs_png_window_resize

Author: doutriaux1

testing/vcs/test_vcs_png_window_resize.py

@@ -1,9 +1,9 @@
 import vcs, sys, os, testing.regression as regression
 
-x = regression.init()
+x = regression.init(bg=0)
 x.setantialiasing(0)
 x.drawlogooff()
 x.open(814,628)
 x.plot([1,2,3,4,5,6,7])
 fnm = __file__[:-3]+".png"
-regression.run(x, fnm)
+regression.run(x, fnm)