Update test to include empty FTL config

The installer ensures that an FTL config will exist, and creates an
empty file if it doesn't.

Signed-off-by: Mcat12 <newtoncat12@yahoo.com>

test/test_automated_install.py

@@ -81,6 +81,7 @@ def test_setupVars_saved_to_file(Pihole):
     {}
     mkdir -p /etc/dnsmasq.d
     version_check_dnsmasq
+    echo "" > /etc/pihole/pihole-FTL.conf
     finalExports
     cat /etc/pihole/setupVars.conf
     '''.format(set_setup_vars))