[libhandy] tests: Fix a typo

[Alexander Mikhaylenko <alexm src gnome org>]

commit 6a1d531b3ada3c5328b13414530992678ade523f
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Wed Nov 11 10:29:48 2020 +0100

    tests: Fix a typo

 tests/test-action-row.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/tests/test-action-row.c b/tests/test-action-row.c
index b6ae3c6d..10b3f9a5 100644
--- a/tests/test-action-row.c
+++ b/tests/test-action-row.c
@@ -78,7 +78,7 @@ test_hdy_action_row_icon_name (void)
 
 
 static void
-test_hdy_action_row_use_undeline (void)
+test_hdy_action_row_use_underline (void)
 {
   g_autoptr (HdyActionRow) row = NULL;
 
@@ -122,7 +122,7 @@ main (gint argc,
   g_test_add_func("/Handy/ActionRow/add_prefix", test_hdy_action_row_add_prefix);
   g_test_add_func("/Handy/ActionRow/subtitle", test_hdy_action_row_subtitle);
   g_test_add_func("/Handy/ActionRow/icon_name", test_hdy_action_row_icon_name);
-  g_test_add_func("/Handy/ActionRow/use_underline", test_hdy_action_row_use_undeline);
+  g_test_add_func("/Handy/ActionRow/use_underline", test_hdy_action_row_use_underline);
   g_test_add_func("/Handy/ActionRow/activate", test_hdy_action_row_activate);
 
   return g_test_run();