Learning GTK4 Trees _ initial commit

demos/gtk-demo/tree_store.c

@@ -12,6 +12,7 @@
 
 G_GNUC_BEGIN_IGNORE_DEPRECATIONS
 
+
 /* TreeItem structure */
 typedef struct _TreeItem TreeItem;
 struct _TreeItem

testsuite/meson.build

@@ -50,13 +50,6 @@ foreach setup : setups
       'GDK_BACKEND=@0@'.format(backend),
     ] + setup.get('env', [])
 
-    add_test_setup(
-      name,
-      env: env + ['TEST_OUTPUT_SUBDIR=@0@'.format(name)],
-      exclude_suites: exclude_unstable + exclude,
-      is_default: setup.get('is_default', false),
-    )
-
     add_test_setup(
       '@0@_unstable'.format(name),
       env: env + ['TEST_OUTPUT_SUBDIR=@0@_unstable'.format(name)],