FavourStaticEmptyFields: added test for false negative

When empty string literal is inside function call that itself
is inside record initialization.

Author: webwarrior-ws

tests/FSharpLint.Core.Tests/Rules/Conventions/FavourStaticEmptyFields.fs

@@ -118,6 +118,17 @@ type Person =
         Assert.IsTrue this.ErrorsExist
         Assert.IsTrue (this.ErrorMsg.Contains "String.Empty")
 
+    [<Test>]
+    member this.FavourStaticEmptyFieldsShouldProduceError13() =
+        this.Parse """
+let foo =
+    {
+        Range = Range.mkRange "" pos pos
+    }"""
+
+        Assert.IsTrue this.ErrorsExist
+        Assert.IsTrue (this.ErrorMsg.Contains "String.Empty")
+
     [<Test>]
     member this.FavourStaticEmptyFieldsShouldNotProduceError1() =
         this.Parse "let bar = String.Empty"