test: less fragile integration suite [ci skip]

See coop-cloud/organising#584
See coop-cloud/organising#595

tests/integration/app_version.bats

@@ -18,10 +18,8 @@ setup(){
 }
 
 teardown(){
-  # https://github.com/bats-core/bats-core/issues/383#issuecomment-738628888
-  if [[ -z "${BATS_TEST_COMPLETED}" ]]; then
-    _undeploy_app
-  fi
+  _undeploy_app
+  _reset_recipe
 }
 
 @test "validate app argument" {
@@ -52,22 +50,15 @@ teardown(){
   run $ABRA app version "$TEST_APP_DOMAIN"
   assert_failure
   assert_output --partial 'failed to determine'
-
-  _checkout_recipe
-  _undeploy_app
 }
 
 # bats test_tags=slow
 @test "error if not in catalogue" {
-  skip "known issue, see https://git.coopcloud.tech/coop-cloud/recipes-catalogue-json/issues/6"
-
   _deploy_app
 
   run $ABRA app version "$TEST_APP_DOMAIN"
   assert_failure
   assert_output --partial 'does not exist'
-
-  _undeploy_app
 }
 
 # bats test_tags=slow
@@ -93,9 +84,6 @@ teardown(){
   run $ABRA app undeploy "$appDomain" --no-input
   assert_success
 
- # NOTE(d1): to let the stack come down before nuking volumes
-  sleep 5
-
   run $ABRA app volume remove "$appDomain" --no-input
   assert_success