Adds unit test for video on page

Author: Marco Bomfim

spec/dummy/app/assets/videos/corgi.mp4

@@ -4,25 +4,15 @@
 describe 'Video Component', type: :feature, js: true do
 
   it 'Renders a video tag on the page' do
-    #
-    # class ExamplePage < Matestack::Ui::Page
-    #   def response
-    #     components {
-    #       # simple video
-    #       # test below fails, either add something to `spec/dummy/app/assets/videos/*` or stub it
-    #       # video path: 'yourvid.mp4', width: 500, height: 300
-    #     }
-    #   end
-    # end
-    #
-    # visit '/example'
-    #
-    # static_output = page.html
-    #
-    # expected_static_output = <<~HTML
-    # <video src="yourvid.mp4" width="500" height="300"></video>
-    # HTML
-    #
-    # expect(stripped(static_output)).to include(stripped(expected_static_output))
+     class ExamplePage < Matestack::Ui::Page
+       def response
+         components {
+           video path: 'corgi.mp4', width: 500, height: 300
+         }
+       end
+     end
+
+     visit '/example'
+     expect(page).to have_xpath("//video[contains(@src,'corgi.mp4') and @width='500' and @height='300']")
   end
 end