[gtk] popover2.ui: Stop trying to set GtkModelButton:label

[Timm Bäder <baedert src gnome org>]

commit 8928323c6bfe7f6ede06dd2d7b6ee508a7876c9a
Author: Timm Bäder <mail baedert org>
Date:   Sun Oct 6 12:04:53 2019 +0200

    popover2.ui: Stop trying to set GtkModelButton:label
    
    The property is called "text"

 tests/popover2.ui | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/tests/popover2.ui b/tests/popover2.ui
index 49cd3f72e2..3a97c1fca2 100644
--- a/tests/popover2.ui
+++ b/tests/popover2.ui
@@ -106,13 +106,13 @@
         </child>
         <child>
           <object class="GtkModelButton">
-            <property name="label">Submenu 1</property>
+            <property name="text">Submenu 1</property>
             <property name="popover">submenu1</property>
           </object>
         </child>
         <child>
           <object class="GtkModelButton">
-            <property name="label">Submenu 2</property>
+            <property name="text">Submenu 2</property>
             <property name="popover">submenu2</property>
           </object>
         </child>
@@ -370,7 +370,7 @@
         </child>
         <child>
           <object class="GtkModelButton">
-            <property name="label">Subsubmenu</property>
+            <property name="text">Subsubmenu</property>
             <property name="popover">subsubmenu</property>
           </object>
         </child>