need to us -y not -f for apt

kitchen/config.yml

@@ -46,7 +46,8 @@ platforms:
       salt_install: apt
     lifecycle:
       post_create:
-        - remote: sudo apt -f upgrade
+        - remote: sudo apt -y update
+        - remote: sudo apt -y upgrade
   - name: ubuntu-18.04
     driver_config:
       image: registry.ocf.co.uk/salt/docker/ubuntu-18.04-kitchen:base
@@ -60,7 +61,8 @@ platforms:
       salt_install: apt
     lifecycle:
       post_create:
-        - remote: sudo apt -f upgrade
+        - remote: sudo apt -y update
+        - remote: sudo apt -y upgrade
 
 suites:
   - name: carbon