test: clean up properly

tests/integration/app_list.bats

@@ -19,6 +19,7 @@ setup(){
 }
 
 teardown(){
+  _reset_recipe
   _undeploy_app
 }
 
@@ -131,4 +132,8 @@ teardown(){
   run $ABRA app ls --status
   assert_success
   assert_output --partial "+U"
+
+  run rm -rf "$ABRA_DIR/servers/foo.com"
+  assert_success
+  assert_not_exists "$ABRA_DIR/servers/foo.com"
 }