[nautilus] tests: don't require installed gsettings schemas for nautilus test

[Ernestas Kulik <ernestask src gnome org>]

commit 82a7ad8cbbb8718afacf36de0f8e9b94174e0a86
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Thu Sep 13 10:58:00 2018 -0400

    tests: don't require installed gsettings schemas for nautilus test

 src/meson.build | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/src/meson.build b/src/meson.build
index 2c354644b..a87c51414 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -321,6 +321,9 @@ if get_option('tests') == 'all'
     args: [
       '--check',
       '--g-fatal-warnings'
+    ],
+    env: [
+      'GSETTINGS_SCHEMA_DIR=@0@'.format(join_paths(meson.build_root(), 'data'))
     ]
   )
 endif