Regenerate .txt testData

Add newline to EOF, trim trailing spaces

compiler/testData/diagnostics/tests/cast/WhenWithExpression.txt

@@ -1,4 +1,4 @@
-package 
+package
 
 internal fun List<kotlin.String>.join(): kotlin.String
 
@@ -8,7 +8,7 @@ internal final class List</*0*/ out T> {
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
-    
+
     internal class object <class-object-for-List> {
         private constructor <class-object-for-List>()
         internal final val Nil: List<kotlin.Nothing>
@@ -16,4 +16,4 @@ internal final class List</*0*/ out T> {
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
     }
-}
+}