test: up the default test timeout to 10s

3s is too easy to hit on congested systems. 10s is overkill, but it's still
better to pass a test late than having to restart the whole test-suite again.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>

test/litest.c

@@ -2390,6 +2390,8 @@ main(int argc, char **argv)
 
 	list_init(&all_tests);
 
+	setenv("CK_DEFAULT_TIMEOUT", "10", 0);
+
 	mode = litest_parse_argv(argc, argv);
 	if (mode == LITEST_MODE_ERROR)
 		return EXIT_FAILURE;