osx needs a refocus

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74190 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

tests/controls/textctrltest.cpp

@@ -202,6 +202,11 @@ void TextCtrlTestCase::ReadOnly()
     // SetEditable() is supposed to override wxTE_READONLY
     m_text->SetEditable(true);
     
+#ifdef __WXOSX__
+    // a ready only text field might not have been focusable at all
+    m_text->SetFocus();
+#endif
+
     sim.Text("abcdef");
     wxYield();