[gtksourceview/wip/chergert/gsv-gtk4] tests: specify tnum for font features

[Christian Hergert <chergert src gnome org>]

commit 72b07399c609f507852749a33a7d104ff1dd02a6
Author: Christian Hergert <chergert redhat com>
Date:   Fri Aug 7 11:59:02 2020 -0700

    tests: specify tnum for font features

 tests/test-widget.ui | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/tests/test-widget.ui b/tests/test-widget.ui
index 61fa117c4..61d0991c3 100644
--- a/tests/test-widget.ui
+++ b/tests/test-widget.ui
@@ -451,6 +451,9 @@
           <object class="GtkLabel" id="cursor_position_info">
             <property name="halign">start</property>
             <property name="label">Cursor position info</property>
+            <attributes>
+              <attribute name="font-features" value="tnum"/>
+            </attributes>
             <layout>
               <property name="column">0</property>
               <property name="row">1</property>