[gnome-software] trivial: Fix up the flatpak tests after 31f6be

[Richard Hughes <rhughes src gnome org>]

commit f277a21aba942d2393a51a78a13a8f8fdad65f84
Author: Richard Hughes <richard hughsie com>
Date:   Mon Nov 21 16:24:07 2016 +0000

    trivial: Fix up the flatpak tests after 31f6be

 src/gs-self-test.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/gs-self-test.c b/src/gs-self-test.c
index 37fb8ba..724266e 100644
--- a/src/gs-self-test.c
+++ b/src/gs-self-test.c
@@ -1017,7 +1017,7 @@ gs_plugin_loader_flatpak_func (GsPluginLoader *plugin_loader)
        gs_app_set_kind (app_source, AS_APP_KIND_SOURCE);
        gs_app_set_management_plugin (app_source, "flatpak-user");
        gs_app_set_state (app_source, AS_APP_STATE_AVAILABLE);
-       gs_app_set_url (app_source, AS_URL_KIND_HOMEPAGE, testdir_repourl);
+       gs_app_set_metadata (app_source, "flatpak::url", testdir_repourl);
        ret = gs_plugin_loader_app_action (plugin_loader, app_source,
                                           GS_PLUGIN_ACTION_INSTALL,
                                           NULL,