Formal CI Frontend suite needed

[Lewiscowles1986]

Need a formal CI suite that allows me to install this plugin, then test various behaviours

• [ ] Install / start container / VM for each release since April 2015 (Aim to adjust this to 18-month window as needed)
• [ ] Download from GitHub & install plugin
• [ ] Use browser automation to test
  • [ ] Upload using new UI
  • [ ] Upload using fallback UI
  • [ ] Image present for Grid Media View
  • [ ] Image present for detail Media View
  • [ ] Image present upon Attachment Modal View
  • [ ] Image present upon admin-ui post entry for image file
  • [ ] Image able to be added to page / post / CPT as featured image via UI

Add more tests as needed...