Finished writting exception tests for RequestText.

TestCentre/PropertyTests.fs

@@ -203,13 +203,21 @@
 
         [<Property>]
         let ``RequestText throws an ArgumentException when the gibberishLevel is invalid`` () =
-            let test () =
+            let test =
                 Pancake.RequestTextAsync (InvalidGibberishInput()) (ValidSentencesInput())
                 |> Async.RunSynchronously
             let results =
                 lazy Assert.Throws<ArgumentException>(fun () -> test |> ignore)
             Check.Quick results
 
+        [<Property>]
+        let ``RequestText throws an ArgumentException when the sentences count is invalid`` () =
+            let test =
+                Pancake.RequestTextAsync (ValidGibberishLevelInput()) (InvalidSentencesInput())
+                |> Async.RunSynchronously
+            let results =
+                lazy Assert.Throws<ArgumentException>(fun () -> test |> ignore)
+            Check.Quick results
 (*
 let SentencesIsValid sentences =
 let FilePathIsValid filePath 

TestCentre/UnitTests.fs

@@ -164,10 +164,21 @@
             Assert.NotEmpty result
 
     module ``Exception Tests`` =
-
+    
+(*
+let SentencesIsValid sentences =
+let FilePathIsValid filePath 
+*)
         [<Fact>]
         let ``RequestText throws an ArgumentException when the gibberishLevel is invalid`` () =
             let test () =
                 Pancake.RequestTextAsync (InvalidGibberishInput()) (ValidSentencesInput())
                 |> Async.RunSynchronously
-            lazy Assert.Throws<ArgumentException>(fun () -> test |> ignore) |> ignore
+            lazy Assert.Throws<ArgumentException>(fun () -> test |> ignore)
+
+        [<Fact>]
+        let ``RequestText throws an ArgumentException when the sentences count is invalid`` () =
+            let test () =
+                Pancake.RequestTextAsync (ValidGibberishLevelInput()) (InvalidSentencesInput())
+                |> Async.RunSynchronously
+            lazy Assert.Throws<ArgumentException>(fun () -> test |> ignore)