[glib/wip/pwithnall/error-tests-nonliteral] tests: Ignore -Wformat-nonliteral warning in new GError tests

[Philip Withnall <pwithnall src gnome org>]

commit 5000193cf3d05f2aae81d8d4df8b9d49ef2e8e53
Author: Philip Withnall <pwithnall endlessos org>
Date:   Thu Jan 7 15:47:59 2021 +0000

    tests: Ignore -Wformat-nonliteral warning in new GError tests
    
    See !1861.
    
    Signed-off-by: Philip Withnall <pwithnall endlessos org>

 glib/tests/error.c | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/glib/tests/error.c b/glib/tests/error.c
index f0001a429..cbf146a2e 100644
--- a/glib/tests/error.c
+++ b/glib/tests/error.c
@@ -121,6 +121,9 @@ test_new_valist_invalid_va (gpointer dummy,
 
       va_start (ap, dummy);
 
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wformat-nonliteral"
+
       g_test_expect_message (G_LOG_DOMAIN,
                              G_LOG_LEVEL_WARNING,
                              "*g_error_new_valist: runtime check failed*");
@@ -128,6 +131,8 @@ test_new_valist_invalid_va (gpointer dummy,
       g_test_assert_expected_messages ();
       g_assert_nonnull (error);
 
+#pragma GCC diagnostic pop
+
       g_test_expect_message (G_LOG_DOMAIN,
                              G_LOG_LEVEL_WARNING,
                              "*g_error_copy: runtime check failed*");