Updated RequestText -- desktop-clock.

Now "ends with end-token".

TestCentre/PropertyTests.fs

@@ -121,11 +121,12 @@
             Check.Quick results
 
         [<Property>]
-        let ``RequestTextFromFile returns a string which ends with a full stop when using desktop-clock-info`` () =
+        let ``RequestTextFromFile returns a string which ends with with the correct end-token when using desktop-clock-info`` () =
             let test () =
                 Pancake.RequestTextFromFileAsync (ValidGibberishLevelInput()) (ValidSentencesInput()) DesktopClock
                 |> Async.RunSynchronously
-            let results = Assert.EndsWith(".", test())
+                |> EndsAsIntended
+            let results = Assert.True(test())
             Check.Quick results
 
         [<Property>]