Nullable tests

Author: DanielEScherzer

tests/Core/Tokenizers/PHP/NullableVsInlineThenTest.inc

@@ -4,6 +4,12 @@ class Nullable
 {
     /* testNullableReadonlyOnly */
     readonly ?int $prop;
+
+    /* testNullablePrivateSetOnly */
+    private(set) ?int $prop2;
+
+    /* testNullablePublicPrivateSetOnly */
+    public private(set) ?int $prop3;
 }
 
 class InlineThen

tests/Core/Tokenizers/PHP/NullableVsInlineThenTest.php

@@ -51,6 +51,8 @@ public static function dataNullable()
     {
         return [
             'property declaration, readonly, no visibility' => ['/* testNullableReadonlyOnly */'],
+            'property declaration, private set'             => ['/* testNullablePrivateSetOnly */'],
+            'property declaration, public and private set'  => ['/* testNullablePublicPrivateSetOnly */'],
         ];
 
     }//end dataNullable()