[gtksourceview/wip/chergert/gsv-gtk4] tests: add comment area for completion

[Christian Hergert <chergert src gnome org>]

commit 4119db9ee025e655a57676bd5cb105c376841dfd
Author: Christian Hergert <chergert redhat com>
Date:   Sun Aug 30 14:52:11 2020 -0700

    tests: add comment area for completion

 tests/test-completion.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)
---
diff --git a/tests/test-completion.c b/tests/test-completion.c
index 2cf3c7fc1..3e5647178 100644
--- a/tests/test-completion.c
+++ b/tests/test-completion.c
@@ -210,6 +210,19 @@ test_provider_display (GtkSourceCompletionProvider *provider,
                        else
                                gtk_source_completion_cell_set_text (cell, p->text);
                }
+               else if (column == GTK_SOURCE_COMPLETION_COLUMN_COMMENT)
+               {
+                       if (p->info)
+                       {
+                               gchar *str = g_strstrip (g_strdup (p->info));
+                               gtk_source_completion_cell_set_text (cell, str);
+                               g_free (str);
+                       }
+                       else
+                       {
+                               gtk_source_completion_cell_set_text (cell, NULL);
+                       }
+               }
                else if (column == GTK_SOURCE_COMPLETION_COLUMN_ICON)
                {
                        if (p->icon_name)