Tests: enable testCaptureVideoPlayback again

(closes #240)

VLC.xcodeproj/xcshareddata/xcschemes/VLC-iOS.xcscheme

@@ -47,11 +47,6 @@
                BlueprintName = "VLC-iOSUITests"
                ReferencedContainer = "container:VLC.xcodeproj">
             </BuildableReference>
-            <SkippedTests>
-               <Test
-                  Identifier = "Screenshot/testCaptureVideoPlayback()">
-               </Test>
-            </SkippedTests>
          </TestableReference>
       </Testables>
       <MacroExpansion>