tests: correct the app name in use

tests/link_networks.bats

@@ -253,7 +253,7 @@ teardown() {
   assert_output_contains bridge
   assert_output_contains custom-network
 
-  run docker inspect dokku.$PLUGIN_COMMAND_PREFIX.ls -f '{{range $net,$v := .NetworkSettings.Networks}}{{range $k,$alias := $v.Aliases}}{{printf "alias:%s\n" $alias}}{{end}}{{end}}'
+  run docker inspect dokku.$PLUGIN_COMMAND_PREFIX.lsa -f '{{range $net,$v := .NetworkSettings.Networks}}{{range $k,$alias := $v.Aliases}}{{printf "alias:%s\n" $alias}}{{end}}{{end}}'
   echo "output: $output"
   echo "status: $status"
   assert_success