[tests/link sdk] Adjust the LinkSdkRegressionTest.SpecialFolder test …

…according to the new version of .NET 6.

tests/linker/ios/link sdk/LinkSdkRegressionTest.cs

@@ -902,7 +902,13 @@ public void SpecialFolder ()
  Assert.That (path, Is.EqualTo ("/usr/share"), "path - CommonApplicationData");
 
  // and the simulator is more lax
-#if !NET // https:/dotnet/runtime/issues/41383
+#if NET
+ // ProgramFiles is different on .NET: https:/dotnet/runtime/pull/41959#discussion_r485069017
+ path = TestFolder (Environment.SpecialFolder.ProgramFiles, readOnly: device, exists: false);
+ var applicationsPath = NSSearchPath.GetDirectories (NSSearchPathDirectory.ApplicationDirectory, NSSearchPathDomain.All, true).FirstOrDefault ();
+ Assert.That (path, Is.EqualTo (applicationsPath), "path - ProgramFiles");
+#else
+
  path = TestFolder (Environment.SpecialFolder.ProgramFiles, readOnly: device);
  Assert.That (path, Is.EqualTo ("/Applications"), "path - ProgramFiles");
 #endif
@@ -935,7 +941,11 @@ public void SpecialFolder ()
  path = TestFolder (Environment.SpecialFolder.MyDocuments);
  Assert.That (path, Is.EqualTo (docs), "path - MyDocuments");
 
+#if NET
+ path = TestFolder (Environment.SpecialFolder.ApplicationData, exists: false);
+#else
  path = TestFolder (Environment.SpecialFolder.ApplicationData);
+#endif
  Assert.That (path, Is.EqualTo (docs + "/.config"), "path - ApplicationData");
 
  path = TestFolder (Environment.SpecialFolder.LocalApplicationData);