diff --git a/tpu/package.json b/tpu/package.json
index 81edf2e8829..9006d2f0209 100644
--- a/tpu/package.json
+++ b/tpu/package.json
@@ -3,21 +3,22 @@
     "license": "Apache-2.0",
     "author": "Google Inc.",
     "engines": {
-      "node": ">=16.0.0"
+        "node": ">=16.0.0"
     },
     "repository": "googleapis/nodejs-tpu",
     "private": true,
     "files": [
-      "*.js"
+        "*.js"
     ],
     "scripts": {
-      "test": "c8 mocha -p -j 2 test --timeout 1200000"
+        "test": "c8 mocha -p -j 2 test --timeout 1200000"
     },
     "dependencies": {
-      "@google-cloud/tpu": "^3.5.0"
+        "@google-cloud/tpu": "^3.5.0",
+        "sinon": "^19.0.2"
     },
     "devDependencies": {
-      "c8": "^10.0.0",
-      "mocha": "^10.0.0"
+        "c8": "^10.0.0",
+        "mocha": "^10.0.0"
     }
-  }
\ No newline at end of file
+}
diff --git a/tpu/queuedResources/createQueuedResourceNetwork.js b/tpu/queuedResources/createQueuedResourceNetwork.js
index 1ec9a9b7edf..6c9dbcbe320 100644
--- a/tpu/queuedResources/createQueuedResourceNetwork.js
+++ b/tpu/queuedResources/createQueuedResourceNetwork.js
@@ -16,21 +16,17 @@
 
 'use strict';
 
-async function main(
-  nodeName,
-  queuedResourceName,
-  zone,
-  tpuType,
-  tpuSoftwareVersion
-) {
+async function main(tpuClient) {
   // [START tpu_queued_resources_create_network]
-  // Import the TPU library
-  const {TpuClient} = require('@google-cloud/tpu').v2alpha1;
+  // Import the TPUClient
+  // TODO(developer): Uncomment below line before running the sample.
+  // const {TpuClient} = require('@google-cloud/tpu').v2alpha1;
   const {Node, NetworkConfig, QueuedResource} =
     require('@google-cloud/tpu').protos.google.cloud.tpu.v2alpha1;
 
   // Instantiate a tpuClient
-  const tpuClient = new TpuClient();
+  // TODO(developer): Uncomment below line before running the sample.
+  // tpuClient = new TpuClient();
 
   /**
    * TODO(developer): Update/uncomment these variables before running the sample.
@@ -45,24 +41,24 @@ async function main(
   const region = 'europe-west4';
 
   // The name for your queued resource.
-  // queuedResourceName = 'queued-resource-1';
+  const queuedResourceName = 'queued-resource-1';
 
   // The name for your node.
-  // nodeName = 'node-name-1';
+  const nodeName = 'node-name-1';
 
   // The zone in which to create the node.
   // For more information about supported TPU types for specific zones,
   // see https://cloud.google.com/tpu/docs/regions-zones
-  // zone = 'europe-west4-a';
+  const zone = 'europe-west4-a';
 
   // The accelerator type that specifies the version and size of the node you want to create.
   // For more information about supported accelerator types for each TPU version,
   // see https://cloud.google.com/tpu/docs/system-architecture-tpu-vm#versions.
-  // tpuType = 'v2-8';
+  const tpuType = 'v2-8';
 
   // Software version that specifies the version of the node runtime to install. For more information,
   // see https://cloud.google.com/tpu/docs/runtimes
-  // tpuSoftwareVersion = 'tpu-vm-tf-2.14.1';
+  const tpuSoftwareVersion = 'tpu-vm-tf-2.14.1';
 
   async function callCreateQueuedResourceNetwork() {
     // Specify the network and subnetwork that you want to connect your TPU to.
@@ -112,13 +108,16 @@ async function main(
 
     // You can wait until TPU Node is READY,
     // and check its status using getTpuVm() from `tpu_vm_get` sample.
-    console.log(JSON.stringify(response));
+    return response;
   }
-  await callCreateQueuedResourceNetwork();
+  return await callCreateQueuedResourceNetwork();
   // [END tpu_queued_resources_create_network]
 }
 
-main(...process.argv.slice(2)).catch(err => {
-  console.error(err);
-  process.exitCode = 1;
-});
+module.exports = main;
+
+// TODO(developer): Uncomment below lines before running the sample.
+// main(...process.argv.slice(2)).catch(err => {
+//   console.error(err);
+//   process.exitCode = 1;
+// });
diff --git a/tpu/queuedResources/createQueuedResourceStartupScript.js b/tpu/queuedResources/createQueuedResourceStartupScript.js
index ce0c2080caf..f7509a5a41c 100644
--- a/tpu/queuedResources/createQueuedResourceStartupScript.js
+++ b/tpu/queuedResources/createQueuedResourceStartupScript.js
@@ -16,21 +16,17 @@
 
 'use strict';
 
-async function main(
-  nodeName,
-  queuedResourceName,
-  zone,
-  tpuType,
-  tpuSoftwareVersion
-) {
+async function main(tpuClient) {
   // [START tpu_queued_resources_startup_script]
-  // Import the TPU library
-  const {TpuClient} = require('@google-cloud/tpu').v2alpha1;
+  // Import the TPUClient
+  // TODO(developer): Uncomment below line before running the sample.
+  // const {TpuClient} = require('@google-cloud/tpu').v2alpha1;
   const {Node, NetworkConfig, QueuedResource} =
     require('@google-cloud/tpu').protos.google.cloud.tpu.v2alpha1;
 
   // Instantiate a tpuClient
-  const tpuClient = new TpuClient();
+  // TODO(developer): Uncomment below line before running the sample.
+  // tpuClient = new TpuClient();
 
   /**
    * TODO(developer): Update/uncomment these variables before running the sample.
@@ -45,24 +41,24 @@ async function main(
   const region = 'europe-west4';
 
   // The name for your queued resource.
-  // queuedResourceName = 'queued-resource-1';
+  const queuedResourceName = 'queued-resource-1';
 
   // The name for your node.
-  // nodeName = 'node-name-1';
+  const nodeName = 'node-name-1';
 
   // The zone in which to create the node.
   // For more information about supported TPU types for specific zones,
   // see https://cloud.google.com/tpu/docs/regions-zones
-  // zone = 'europe-west4-a';
+  const zone = 'europe-west4-a';
 
   // The accelerator type that specifies the version and size of the node you want to create.
   // For more information about supported accelerator types for each TPU version,
   // see https://cloud.google.com/tpu/docs/system-architecture-tpu-vm#versions.
-  // tpuType = 'v2-8';
+  const tpuType = 'v2-8';
 
   // Software version that specifies the version of the node runtime to install. For more information,
   // see https://cloud.google.com/tpu/docs/runtimes
-  // tpuSoftwareVersion = 'tpu-vm-tf-2.14.1';
+  const tpuSoftwareVersion = 'tpu-vm-tf-2.14.1';
 
   async function callCreateQueuedResourceStartupScript() {
     // Create a node
@@ -116,13 +112,16 @@ async function main(
 
     // You can wait until TPU Node is READY,
     // and check its status using getTpuVm() from `tpu_vm_get` sample.
-    console.log(JSON.stringify(response));
+    return response;
   }
-  await callCreateQueuedResourceStartupScript();
+  return await callCreateQueuedResourceStartupScript();
   // [END tpu_queued_resources_startup_script]
 }
 
-main(...process.argv.slice(2)).catch(err => {
-  console.error(err);
-  process.exitCode = 1;
-});
+module.exports = main;
+
+// TODO(developer): Uncomment below lines before running the sample.
+// main(...process.argv.slice(2)).catch(err => {
+//   console.error(err);
+//   process.exitCode = 1;
+// });
diff --git a/tpu/queuedResources/createQueuedResourceTimeBound.js b/tpu/queuedResources/createQueuedResourceTimeBound.js
index 92e1889c2da..206568f1756 100644
--- a/tpu/queuedResources/createQueuedResourceTimeBound.js
+++ b/tpu/queuedResources/createQueuedResourceTimeBound.js
@@ -16,21 +16,17 @@
 
 'use strict';
 
-async function main(
-  nodeName,
-  queuedResourceName,
-  zone,
-  tpuType,
-  tpuSoftwareVersion
-) {
+async function main(tpuClient) {
   // [START tpu_queued_resources_time_bound]
-  // Import the TPU library
-  const {TpuClient} = require('@google-cloud/tpu').v2alpha1;
+  // Import the TPUClient
+  // TODO(developer): Uncomment below line before running the sample.
+  // const {TpuClient} = require('@google-cloud/tpu').v2alpha1;
   const {Node, NetworkConfig, QueuedResource} =
     require('@google-cloud/tpu').protos.google.cloud.tpu.v2alpha1;
 
   // Instantiate a tpuClient
-  const tpuClient = new TpuClient();
+  // TODO(developer): Uncomment below line before running the sample.
+  // tpuClient = new TpuClient();
 
   /**
    * TODO(developer): Update/uncomment these variables before running the sample.
@@ -45,24 +41,24 @@ async function main(
   const region = 'europe-west4';
 
   // The name for your queued resource.
-  // queuedResourceName = 'queued-resource-1';
+  const queuedResourceName = 'queued-resource-1';
 
   // The name for your node.
-  // nodeName = 'node-name-1';
+  const nodeName = 'node-name-1';
 
   // The zone in which to create the node.
   // For more information about supported TPU types for specific zones,
   // see https://cloud.google.com/tpu/docs/regions-zones
-  // zone = 'europe-west4-a';
+  const zone = 'europe-west4-a';
 
   // The accelerator type that specifies the version and size of the node you want to create.
   // For more information about supported accelerator types for each TPU version,
   // see https://cloud.google.com/tpu/docs/system-architecture-tpu-vm#versions.
-  // tpuType = 'v2-8';
+  const tpuType = 'v2-8';
 
   // Software version that specifies the version of the node runtime to install. For more information,
   // see https://cloud.google.com/tpu/docs/runtimes
-  // tpuSoftwareVersion = 'tpu-vm-tf-2.14.1';
+  const tpuSoftwareVersion = 'tpu-vm-tf-2.14.1';
 
   async function callCreateQueuedResourceTimeBound() {
     // Create a node
@@ -143,13 +139,16 @@ async function main(
 
     // You can wait until TPU Node is READY,
     // and check its status using getTpuVm() from `tpu_vm_get` sample.
-    console.log(JSON.stringify(response));
+    return response;
   }
-  await callCreateQueuedResourceTimeBound();
+  return await callCreateQueuedResourceTimeBound();
   // [END tpu_queued_resources_time_bound]
 }
 
-main(...process.argv.slice(2)).catch(err => {
-  console.error(err);
-  process.exitCode = 1;
-});
+module.exports = main;
+
+// TODO(developer): Uncomment below lines before running the sample.
+// main(...process.argv.slice(2)).catch(err => {
+//   console.error(err);
+//   process.exitCode = 1;
+// });
diff --git a/tpu/queuedResources/forceDeleteQueuedResource.js b/tpu/queuedResources/forceDeleteQueuedResource.js
deleted file mode 100644
index e842c39e269..00000000000
--- a/tpu/queuedResources/forceDeleteQueuedResource.js
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-'use strict';
-
-async function main(queuedResourceName, zone) {
-  // [START tpu_queued_resources_delete_force]
-  // Import the TPU library
-  const {TpuClient} = require('@google-cloud/tpu').v2alpha1;
-
-  // Instantiate a tpuClient
-  const tpuClient = new TpuClient();
-
-  /**
-   * TODO(developer): Update/uncomment these variables before running the sample.
-   */
-  // Project ID or project number of the Google Cloud project, where you want to delete node.
-  const projectId = await tpuClient.getProjectId();
-
-  // The name of queued resource.
-  // queuedResourceName = 'queued-resource-1';
-
-  // The zone of your queued resource.
-  // zone = 'europe-west4-a';
-
-  async function callForceDeleteQueuedResource() {
-    const request = {
-      name: `projects/${projectId}/locations/${zone}/queuedResources/${queuedResourceName}`,
-      force: true,
-    };
-
-    const [operation] = await tpuClient.deleteQueuedResource(request);
-
-    // Wait for the delete operation to complete.
-    await operation.promise();
-
-    console.log(`Queued resource ${queuedResourceName} deletion forced.`);
-  }
-  await callForceDeleteQueuedResource();
-  // [END tpu_queued_resources_delete_force]
-}
-
-main(...process.argv.slice(2)).catch(err => {
-  console.error(err);
-  process.exitCode = 1;
-});
diff --git a/tpu/test/createQueuedResourceNetwork.test.js b/tpu/test/createQueuedResourceNetwork.test.js
index 898ffe9be15..840e1afa86e 100644
--- a/tpu/test/createQueuedResourceNetwork.test.js
+++ b/tpu/test/createQueuedResourceNetwork.test.js
@@ -16,57 +16,66 @@
 
 'use strict';
 
-const path = require('path');
 const assert = require('node:assert/strict');
-const {after, before, describe, it} = require('mocha');
-const cp = require('child_process');
-const {TpuClient} = require('@google-cloud/tpu').v2alpha1;
-
-const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
-const cwd = path.join(__dirname, '..');
+const {beforeEach, afterEach, describe, it} = require('mocha');
+const sinon = require('sinon');
+const createQueuedResourceNetwork = require('../queuedResources/createQueuedResourceNetwork.js');
 
 describe('TPU queued resource with specified network', async () => {
-  const queuedResourceName = `queued-resource-with-network-${Math.floor(Math.random() * 1000 + 1)}`;
-  const nodeName = `node-with-network-2a2b3c${Math.floor(Math.random() * 1000 + 1)}`;
-  const zone = 'us-south1-a';
-  const tpuType = 'v5litepod-1';
-  const tpuSoftwareVersion = 'tpu-vm-tf-2.14.1';
-  let projectId;
+  const queuedResourceName = 'queued-resource-1';
+  const nodeName = 'node-name-1';
+  const zone = 'europe-west4-a';
+  const projectId = 'project_id';
+  let tpuClientMock;
 
-  before(async () => {
-    const tpuClient = new TpuClient();
-    projectId = await tpuClient.getProjectId();
+  beforeEach(() => {
+    tpuClientMock = {
+      getProjectId: sinon.stub().resolves(projectId),
+    };
   });
 
-  after(() => {
-    // Delete queued resource
-    execSync(
-      `node ./queuedResources/forceDeleteQueuedResource.js ${queuedResourceName} ${zone}`,
-      {
-        cwd,
-      }
-    );
+  afterEach(() => {
+    sinon.restore();
   });
 
-  it('should create queued resource', () => {
-    const networkConfig = {
-      network: `projects/${projectId}/global/networks/compute-tpu-network`,
-      subnetwork: `projects/${projectId}/regions/europe-west4/subnetworks/compute-tpu-network`,
-      enableExternalIps: true,
-    };
+  it('should create queued resource', async () => {
+    tpuClientMock.createQueuedResource = sinon.stub().resolves([
+      {
+        promise: sinon.stub().resolves([
+          {
+            name: queuedResourceName,
+          },
+        ]),
+      },
+    ]);
 
-    const response = JSON.parse(
-      execSync(
-        `node ./queuedResources/createQueuedResourceNetwork.js ${nodeName} ${queuedResourceName} ${zone} ${tpuType} ${tpuSoftwareVersion}`,
-        {
-          cwd,
-        }
-      )
-    );
+    const response = await createQueuedResourceNetwork(tpuClientMock);
 
-    assert.deepEqual(
-      response.tpu.nodeSpec[0].node.networkConfig,
-      networkConfig
+    sinon.assert.calledWith(
+      tpuClientMock.createQueuedResource,
+      sinon.match({
+        parent: `projects/${projectId}/locations/${zone}`,
+        queuedResource: {
+          name: queuedResourceName,
+          tpu: {
+            nodeSpec: [
+              sinon.match({
+                parent: `projects/${projectId}/locations/${zone}`,
+                node: {
+                  networkConfig: {
+                    network: `projects/${projectId}/global/networks/compute-tpu-network`,
+                    subnetwork: `projects/${projectId}/regions/europe-west4/subnetworks/compute-tpu-network`,
+                    enableExternalIps: true,
+                  },
+                },
+                nodeId: nodeName,
+              }),
+            ],
+          },
+        },
+        queuedResourceId: queuedResourceName,
+      })
     );
+    assert(response.name.includes(queuedResourceName));
   });
 });
diff --git a/tpu/test/createQueuedResourceStartupScript.test.js b/tpu/test/createQueuedResourceStartupScript.test.js
index abf368f467b..b7132418081 100644
--- a/tpu/test/createQueuedResourceStartupScript.test.js
+++ b/tpu/test/createQueuedResourceStartupScript.test.js
@@ -16,46 +16,62 @@
 
 'use strict';
 
-const path = require('path');
 const assert = require('node:assert/strict');
-const {after, describe, it} = require('mocha');
-const cp = require('child_process');
-
-const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
-const cwd = path.join(__dirname, '..');
+const {beforeEach, afterEach, describe, it} = require('mocha');
+const sinon = require('sinon');
+const createQueuedResourceStartupScript = require('../queuedResources/createQueuedResourceStartupScript.js');
 
 describe('TPU queued resource with start-up script', async () => {
-  const queuedResourceName = `queued-resource-startup-script-${Math.floor(Math.random() * 1000 + 1)}`;
-  const nodeName = `node-startup-script-2a2b3c${Math.floor(Math.random() * 1000 + 1)}`;
-  const zone = 'us-east1-d';
-  const tpuType = 'v3-32';
-  const tpuSoftwareVersion = 'tpu-vm-tf-2.14.1';
-
-  after(() => {
-    // Delete queued resource
-    execSync(
-      `node ./queuedResources/forceDeleteQueuedResource.js ${queuedResourceName} ${zone}`,
-      {
-        cwd,
-      }
-    );
-  });
+  const queuedResourceName = 'queued-resource-1';
+  const nodeName = 'node-name-1';
+  const zone = 'europe-west4-a';
+  const projectId = 'project_id';
+  let tpuClientMock;
 
-  it('should create queued resource', () => {
-    const metadata = {
-      'startup-script':
-        '#!/bin/bash\n          echo "Hello World" > /var/log/hello.log\n          sudo pip3 install --upgrade numpy >> /var/log/hello.log 2>&1',
+  beforeEach(() => {
+    tpuClientMock = {
+      getProjectId: sinon.stub().resolves(projectId),
     };
+  });
+
+  afterEach(() => {
+    sinon.restore();
+  });
+
+  it('should create queued resource', async () => {
+    tpuClientMock.createQueuedResource = sinon.stub().resolves([
+      {
+        promise: sinon.stub().resolves([
+          {
+            name: queuedResourceName,
+          },
+        ]),
+      },
+    ]);
 
-    const response = JSON.parse(
-      execSync(
-        `node ./queuedResources/createQueuedResourceStartupScript.js ${nodeName} ${queuedResourceName} ${zone} ${tpuType} ${tpuSoftwareVersion}`,
-        {
-          cwd,
-        }
-      )
-    );
+    const response = await createQueuedResourceStartupScript(tpuClientMock);
 
-    assert.deepEqual(response.tpu.nodeSpec[0].node.metadata, metadata);
+    sinon.match({
+      parent: `projects/${projectId}/locations/${zone}`,
+      queuedResource: {
+        name: queuedResourceName,
+        tpu: {
+          nodeSpec: [
+            {
+              parent: `projects/${projectId}/locations/${zone}`,
+              node: {
+                metadata: {
+                  'startup-script':
+                    '#!/bin/bash\n          echo "Hello World" > /var/log/hello.log\n          sudo pip3 install --upgrade numpy >> /var/log/hello.log 2>&1',
+                },
+              },
+              nodeId: nodeName,
+            },
+          ],
+        },
+      },
+      queuedResourceId: queuedResourceName,
+    });
+    assert(response.name.includes(queuedResourceName));
   });
 });
diff --git a/tpu/test/createQueuedResourceTimeBound.test.js b/tpu/test/createQueuedResourceTimeBound.test.js
index 2a70a2dcd3a..0e4d15fee05 100644
--- a/tpu/test/createQueuedResourceTimeBound.test.js
+++ b/tpu/test/createQueuedResourceTimeBound.test.js
@@ -16,44 +16,54 @@
 
 'use strict';
 
-const path = require('path');
 const assert = require('node:assert/strict');
-const {after, describe, it} = require('mocha');
-const cp = require('child_process');
-
-const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
-const cwd = path.join(__dirname, '..');
+const {beforeEach, afterEach, describe, it} = require('mocha');
+const sinon = require('sinon');
+const createQueuedResourceTimeBound = require('../queuedResources/createQueuedResourceTimeBound.js');
 
 describe('TPU time bound queued resource', async () => {
-  const queuedResourceName = `queued-resource-time-bound-${Math.floor(Math.random() * 1000 + 1)}`;
-  const nodeName = `node-time-bound-2a2b3c${Math.floor(Math.random() * 1000 + 1)}`;
-  const zone = 'us-west4-a';
-  const tpuType = 'v5litepod-1';
-  const tpuSoftwareVersion = 'tpu-vm-tf-2.14.1';
-
-  after(() => {
-    // Delete queued resource
-    execSync(
-      `node ./queuedResources/forceDeleteQueuedResource.js ${queuedResourceName} ${zone}`,
-      {
-        cwd,
-      }
-    );
+  const queuedResourceName = 'queued-resource-1';
+  const zone = 'europe-west4-a';
+  const projectId = 'project_id';
+  let tpuClientMock;
+
+  beforeEach(() => {
+    tpuClientMock = {
+      getProjectId: sinon.stub().resolves(projectId),
+    };
   });
 
-  it('should create queued resource', () => {
-    const response = JSON.parse(
-      execSync(
-        `node ./queuedResources/createQueuedResourceTimeBound.js ${nodeName} ${queuedResourceName} ${zone} ${tpuType} ${tpuSoftwareVersion}`,
-        {
-          cwd,
-        }
-      )
-    );
+  afterEach(() => {
+    sinon.restore();
+  });
+
+  it('should create queued resource', async () => {
+    tpuClientMock.createQueuedResource = sinon.stub().resolves([
+      {
+        promise: sinon.stub().resolves([
+          {
+            name: queuedResourceName,
+          },
+        ]),
+      },
+    ]);
 
-    assert.ok(response.queueingPolicy);
-    assert.ok(response.queueingPolicy.validAfterTime);
-    assert(typeof response.queueingPolicy.validAfterTime.seconds, 'string');
-    assert(typeof response.queueingPolicy.validAfterTime.nano, 'number');
+    const response = await createQueuedResourceTimeBound(tpuClientMock);
+
+    sinon.assert.calledWith(
+      tpuClientMock.createQueuedResource,
+      sinon.match({
+        parent: `projects/${projectId}/locations/${zone}`,
+        queuedResource: {
+          queueingPolicy: {
+            validAfterDuration: {
+              seconds: 6 * 3600,
+            },
+          },
+        },
+        queuedResourceId: 'queued-resource-1',
+      })
+    );
+    assert(response.name.includes(queuedResourceName));
   });
 });