[grilo-plugins/wip/carlosg/tracker-last-modification-date] tests: Check modification date in tracker3 resolve test

[Carlos Garnacho <carlosg src gnome org>]

commit 55bb316b94ee3b1b1b4b69a8401a32e45dcc7f82
Author: Carlos Garnacho <carlosg gnome org>
Date:   Thu Aug 27 12:55:38 2020 +0200

    tests: Check modification date in tracker3 resolve test
    
    Check that this information is extracted from the file.

 tests/tracker3/test_tracker3.c | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/tests/tracker3/test_tracker3.c b/tests/tracker3/test_tracker3.c
index e514d9fb..6e30a484 100644
--- a/tests/tracker3/test_tracker3.c
+++ b/tests/tracker3/test_tracker3.c
@@ -281,6 +281,7 @@ test_resolve (void)
   GrlMedia *media, *resolved;
   GError *error = NULL;
   GrlOperationOptions *options;
+  GDateTime *datetime;
   GList *keys;
 
   registry = grl_registry_get_default ();
@@ -289,6 +290,7 @@ test_resolve (void)
 
   keys = grl_metadata_key_list_new (GRL_METADATA_KEY_URL,
                                     GRL_METADATA_KEY_TITLE,
+                                    GRL_METADATA_KEY_MODIFICATION_DATE,
                                     GRL_METADATA_KEY_INVALID);
 
   options = grl_operation_options_new (NULL);
@@ -310,6 +312,9 @@ test_resolve (void)
                    ==,
                    "Simply Juvenile");
 
+  datetime = grl_media_get_modification_date (media);
+  g_assert_nonnull (datetime);
+
   g_object_unref (options);
   g_object_unref (media);
   g_list_free (keys);