Part 1 (without the patch)

1. don't apply the patch
2. go to Admin Console
3. go to the Website & Content → Polls section
4. create a new poll, if there are none present
5. open any poll for editing
6. inspect (using Web Browser inspector tool) the yellow Browse button for the Image field
7. confirm, that (good):
   • the Browse button was shown in the inspector and it has z-index value of 1
   • the Plupload-generated DIV below the button has z-index value of 0
8. switch to the Responsive Design Mode
9. reload the page (if you'll end up in the polls grid, then open same poll for editing)
10. inspect (using Web Browser inspector tool) the yellow Browse button for the Image field
11. confirm, that (bad):
    • the input[type=file] element within the Plupload-generated DIV was shown in the inspector and has no z-index CSS property
    • (updated) the Browse button was shown in the inspector and it has no z-index CSS property
    • the Plupload-generated DIV below the button has no z-index CSS property
12. exit the Responsive Design Mode

Part 2 (with the patch)

1. apply the patch
2. go to Admin Console
3. go to the Website & Content → Polls section
4. create a new poll, if there are none present
5. open any poll for editing
6. inspect (using Web Browser inspector tool) the yellow Browse button for the Image field
7. confirm, that (good):
   • the Browse button was shown in the inspector and it has z-index value of 1
   • the Plupload-generated DIV below the button has z-index value of 0
8. switch to the Responsive Design Mode
9. reload the page (if you'll end up in the polls grid, then open same poll for editing)
10. inspect (using Web Browser inspector tool) the yellow Browse button for the Image field
11. confirm, that (good):
    • the Browse button was shown in the inspector and it has z-index value of 1
    • the Plupload-generated DIV below the button has z-index value of 0
12. exit the Responsive Design Mode