tickets #117442: [Regression] Regression test for SLED
tickets #117739: [Regression][Firefox] Firefox components of regression tests
[Regression][Firefox] Firefox: Build-in PDF Viewer
Download the pdf file in step 1 and open it with Evince, compare the display effect with the firefox build-in pdf viewer.
Scroll up and down in the page, and try the zoom function (zoom in, zoom out, Page Width etc.)
vp1. The online pdf document should be opened with the build-in pdf viewer.
vp2. They should looked the same.
vp3. All the functions work properly.