Update build/int.cloudbuild.yaml

Author: apeabody

build/int.cloudbuild.yaml

@@ -92,6 +92,7 @@ steps:
 - id: apply simple-regional-additional-local
   waitFor:
     - init-all
+    - teardown simple-regional-local
   name: 'gcr.io/cloud-foundation-cicd/$_DOCKER_IMAGE_DEVELOPER_TOOLS:$_DOCKER_TAG_VERSION_DEVELOPER_TOOLS'
   args: ['/bin/bash', '-c', 'cft test run TestSimpleRegionalAdditionalIPRanges --stage apply --verbose']
 - id: verify simple-regional-additional-local