[mutter] tests/clutter/interactive: Init backend and mutter context

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit f3b9fc8159a98412b0430403ca3d2fbefe09b06f
Author: Jonas Ådahl <jadahl gmail com>
Date:   Tue Nov 12 17:11:32 2019 +0100

    tests/clutter/interactive: Init backend and mutter context
    
    As was with the tests run via meson test, for the interactive tests we
    too need to configure the mutter backend and initialize things in order
    to be able to run any tests.
    
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/932

 src/tests/clutter/interactive/meson.build |  1 +
 src/tests/clutter/interactive/test-main.c | 13 +++++++++++++
 2 files changed, 14 insertions(+)
---
diff --git a/src/tests/clutter/interactive/meson.build b/src/tests/clutter/interactive/meson.build
index ae6bda165..4d8d07b02 100644
--- a/src/tests/clutter/interactive/meson.build
+++ b/src/tests/clutter/interactive/meson.build
@@ -83,6 +83,7 @@ executable('test-interactive',
   dependencies: [
     clutter_deps,
     libmutter_clutter_dep,
+    libmutter_dep,
     gdk_pixbuf_dep,
   ],
   install: false,
diff --git a/src/tests/clutter/interactive/test-main.c b/src/tests/clutter/interactive/test-main.c
index 586d6dc70..95b45bb4c 100644
--- a/src/tests/clutter/interactive/test-main.c
+++ b/src/tests/clutter/interactive/test-main.c
@@ -1,8 +1,15 @@
+#include "config.h"
+
 #include <stdlib.h>
 #include <string.h>
 #include <glib.h>
 #include <gmodule.h>
 
+#include "backends/x11/nested/meta-backend-x11-nested.h"
+#include "core/main-private.h"
+#include "meta/main.h"
+#include "wayland/meta-wayland.h"
+#include "wayland/meta-xwayland.h"
 #include "test-unit-names.h"
 
 #define MAX_DESC_SIZE   72
@@ -119,6 +126,12 @@ main (int argc, char **argv)
 
   g_option_context_free (context);
 
+  meta_wayland_override_display_name ("mutter-test-display");
+  meta_xwayland_override_display_number (512);
+  meta_override_compositor_configuration (META_COMPOSITOR_TYPE_WAYLAND,
+                                          META_TYPE_BACKEND_X11_NESTED);
+  meta_init ();
+
   module = g_module_open (NULL, 0);
   if (!module)
     g_error ("*** Failed to open self for symbol lookup");