diff --git a/docker/owlbot/nodejs/cloudbuild.yaml b/docker/owlbot/nodejs/cloudbuild.yaml
index 66d9d9019..2ea79a654 100644
--- a/docker/owlbot/nodejs/cloudbuild.yaml
+++ b/docker/owlbot/nodejs/cloudbuild.yaml
@@ -15,6 +15,7 @@ steps:
           sed -i "s/\!:/:/g" post-processor-changes.txt
   # Build the docker image.
   - name: 'gcr.io/cloud-builders/docker'
+    id: 'build'
     args: [ 'build',
       '-t', 'gcr.io/repo-automation-bots/owlbot-nodejs:$SHORT_SHA',
       '-t', 'gcr.io/repo-automation-bots/owlbot-nodejs:latest',
diff --git a/docker/owlbot/nodejs/cloudbuild_test.yaml b/docker/owlbot/nodejs/cloudbuild_test.yaml
new file mode 100644
index 000000000..da73e3c34
--- /dev/null
+++ b/docker/owlbot/nodejs/cloudbuild_test.yaml
@@ -0,0 +1,33 @@
+steps:
+  # Write the latest commit message to a file in the workspace.
+  - name: 'gcr.io/cloud-builders/git'
+    entrypoint: '/bin/sh'
+    args:
+      - '-c'
+      # Get the last commit in synthtool and write it to post-processor-changes.txt.
+      # If the commit message ends with parenthesis, remove them.
+      # If the commit message starts with feat or fix, replace it with chore.
+      # If the commit message includes ! followed by a colon to signal a breaking change, remove the !.
+      - >
+          git log -1 --format="%B%n%nSource-Link: https://github.com/googleapis/synthtool/commit/%H" > post-processor-changes.txt &&
+          sed -i "s/([^()]*)$//g" post-processor-changes.txt &&
+          sed -i "s/^\(feat\|fix\)/chore/g" post-processor-changes.txt &&
+          sed -i "s/\!:/:/g" post-processor-changes.txt
+  # Build the docker image.
+  - name: 'gcr.io/cloud-builders/docker'
+    id: 'build'
+    args: [ 'build',
+      '-t', 'gcr.io/repo-automation-bots/owlbot-nodejs:$SHORT_SHA',
+      '-t', 'gcr.io/repo-automation-bots/owlbot-nodejs:latest',
+      '-t', 'gcr.io/cloud-devrel-public-resources/owlbot-nodejs:$SHORT_SHA',
+      '-t', 'gcr.io/cloud-devrel-public-resources/owlbot-nodejs:latest',
+      '-f', 'docker/owlbot/nodejs/Dockerfile', '.' ]
+  # Run container tests
+  - name: gcr.io/gcp-runtimes/container-structure-test
+    args:
+      - 'test'
+      - '--image'
+      - 'gcr.io/repo-automation-bots/owlbot-nodejs:$SHORT_SHA'
+      - '--config'
+      - 'docker/owlbot/nodejs/container_test.yaml'
+    waitFor: ['build']
diff --git a/docker/owlbot/nodejs/container_test.yaml b/docker/owlbot/nodejs/container_test.yaml
new file mode 100644
index 000000000..ef043afc7
--- /dev/null
+++ b/docker/owlbot/nodejs/container_test.yaml
@@ -0,0 +1,8 @@
+schemaVersion: 1.0.0
+commandTests:
+- name: "node"
+  command: ["node", "--version"]
+  expectedOutput: ["v15.14.0"]
+- name: "python"
+  command: ["python", "--version"]
+  expectedOutput: ["Python 3.10.6"]
diff --git a/docker/owlbot/nodejs_mono_repo/cloudbuild.yaml b/docker/owlbot/nodejs_mono_repo/cloudbuild.yaml
index 2a9373e51..ca5f81209 100644
--- a/docker/owlbot/nodejs_mono_repo/cloudbuild.yaml
+++ b/docker/owlbot/nodejs_mono_repo/cloudbuild.yaml
@@ -15,6 +15,7 @@ steps:
           sed -i "s/\!:/:/g" post-processor-changes.txt
   # Build the docker image.
   - name: 'gcr.io/cloud-builders/docker'
+    id: 'build'
     args: [ 'build',
       '-t', 'gcr.io/repo-automation-bots/owlbot-nodejs-mono-repo:$SHORT_SHA',
       '-t', 'gcr.io/repo-automation-bots/owlbot-nodejs-mono-repo:latest',
diff --git a/docker/owlbot/nodejs_mono_repo/cloudbuild_test.yaml b/docker/owlbot/nodejs_mono_repo/cloudbuild_test.yaml
new file mode 100644
index 000000000..80e44916b
--- /dev/null
+++ b/docker/owlbot/nodejs_mono_repo/cloudbuild_test.yaml
@@ -0,0 +1,33 @@
+steps:
+  # Write the latest commit message to a file in the workspace.
+  - name: 'gcr.io/cloud-builders/git'
+    entrypoint: '/bin/sh'
+    args:
+      - '-c'
+      # Get the last commit in synthtool and write it to post-processor-changes.txt.
+      # If the commit message ends with parenthesis, remove them.
+      # If the commit message starts with feat or fix, replace it with chore.
+      # If the commit message includes ! followed by a colon to signal a breaking change, remove the !.
+      - >
+          git log -1 --format="%B%n%nSource-Link: https://github.com/googleapis/synthtool/commit/%H" > post-processor-changes.txt &&
+          sed -i "s/([^()]*)$//g" post-processor-changes.txt &&
+          sed -i "s/^\(feat\|fix\)/chore/g" post-processor-changes.txt &&
+          sed -i "s/\!:/:/g" post-processor-changes.txt
+  # Build the docker image.
+  - name: 'gcr.io/cloud-builders/docker'
+    id: 'build'
+    args: [ 'build',
+      '-t', 'gcr.io/repo-automation-bots/owlbot-nodejs-mono-repo:$SHORT_SHA',
+      '-t', 'gcr.io/repo-automation-bots/owlbot-nodejs-mono-repo:latest',
+      '-t', 'gcr.io/cloud-devrel-public-resources/owlbot-nodejs-mono-repo:$SHORT_SHA',
+      '-t', 'gcr.io/cloud-devrel-public-resources/owlbot-nodejs-mono-repo:latest',
+      '-f', 'docker/owlbot/nodejs_mono_repo/Dockerfile', '.' ]
+  # Run container tests
+  - name: gcr.io/gcp-runtimes/container-structure-test
+    args:
+      - 'test'
+      - '--image'
+      - 'gcr.io/repo-automation-bots/owlbot-nodejs-mono-repo:$SHORT_SHA'
+      - '--config'
+      - 'docker/owlbot/nodejs_mono_repo/container_test.yaml'
+    waitFor: ['build']
diff --git a/docker/owlbot/nodejs_mono_repo/container_test.yaml b/docker/owlbot/nodejs_mono_repo/container_test.yaml
new file mode 100644
index 000000000..ef043afc7
--- /dev/null
+++ b/docker/owlbot/nodejs_mono_repo/container_test.yaml
@@ -0,0 +1,8 @@
+schemaVersion: 1.0.0
+commandTests:
+- name: "node"
+  command: ["node", "--version"]
+  expectedOutput: ["v15.14.0"]
+- name: "python"
+  command: ["python", "--version"]
+  expectedOutput: ["Python 3.10.6"]