Test(FavourIgnoreOverLetWild): added more tests

Author: Mersho

tests/FSharpLint.Core.Tests/Rules/Binding/FavourIgnoreOverLetWild.fs

@@ -67,3 +67,23 @@ module Program
         let result = this.ApplyQuickFix source
 
         Assert.AreEqual(expected, result)
+
+    [<Test>]
+    member this.LetWildCardInParanUnitValueSuggestedFix() =
+        let source = """
+module Program
+
+let ((((_)))) = List.iter (fun x -> ()) []"""
+
+        let expected = """
+module Program
+
+(List.iter (fun x -> ()) []) |> ignore"""
+
+        this.Parse source
+
+        Assert.IsTrue(this.ErrorExistsAt(4, 4))
+
+        let result = this.ApplyQuickFix source
+
+        Assert.AreEqual(expected, result)