diff --git a/.circleci/config.yml b/.circleci/config.yml
index db7c4ef5b..950a6cc0c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1094,6 +1094,26 @@ jobs:
     working_directory: ~/project
     steps:
       - checkout
+      # New steps to run Node.js test
+      - run:
+          name: Install Node.js
+          command: |
+            curl -fsSL https://deb.nodesource.com/setup_18.x | sudo -E bash -
+            sudo apt-get install -y nodejs
+            node --version
+            npm --version
+
+      - run:
+          name: Install Node.js dependencies
+          command: |
+            npm install @google-cloud/vertexai
+            npm install --save-dev jest
+
+      - run:
+          name: Run Vertex AI tests
+          command: |
+            npx jest tests/pass_through_tests/test_vertex.test.js --verbose
+          no_output_timeout: 30m
       - run:
           name: Install Docker CLI (In case it's not already installed)
           command: |
@@ -1172,6 +1192,26 @@ jobs:
       - run:
           name: Wait for app to be ready
           command: dockerize -wait http://localhost:4000 -timeout 5m
+            # New steps to run Node.js test
+      - run:
+          name: Install Node.js
+          command: |
+            curl -fsSL https://deb.nodesource.com/setup_18.x | sudo -E bash -
+            sudo apt-get install -y nodejs
+            node --version
+            npm --version
+
+      - run:
+          name: Install Node.js dependencies
+          command: |
+            npm install @google-cloud/vertexai
+            npm install --save-dev jest
+
+      - run:
+          name: Run Vertex AI tests
+          command: |
+            npx jest tests/pass_through_tests/test_vertex.test.js --verbose
+          no_output_timeout: 30m
       - run:
           name: Run tests
           command: |
@@ -1179,7 +1219,6 @@ jobs:
             ls
             python -m pytest -vv tests/pass_through_tests/ -x --junitxml=test-results/junit.xml --durations=5
           no_output_timeout: 120m
-
       # Store test results
       - store_test_results:
           path: test-results
diff --git a/tests/pass_through_tests/test_local_vertex.js b/tests/pass_through_tests/test_local_vertex.js
new file mode 100644
index 000000000..1f2eaea33
--- /dev/null
+++ b/tests/pass_through_tests/test_local_vertex.js
@@ -0,0 +1,40 @@
+const { VertexAI, RequestOptions } = require('@google-cloud/vertexai');
+
+const vertexAI = new VertexAI({
+    project: 'adroit-crow-413218',
+    location: 'us-central1',
+    apiEndpoint: "localhost:4000/vertex-ai"
+});
+
+// Create customHeaders using Headers
+const customHeaders = new Headers({
+    "X-Litellm-Api-Key": "sk-1234"
+});
+
+// Use customHeaders in RequestOptions
+const requestOptions = {
+    customHeaders: customHeaders
+};
+
+const generativeModel = vertexAI.getGenerativeModel(
+    { model: 'gemini-1.0-pro' },
+    requestOptions
+);
+
+async function testModel() {
+    try {
+        const request = {
+            contents: [{role: 'user', parts: [{text: 'How are you doing today tell me your name?'}]}],
+          };
+        const streamingResult = await generativeModel.generateContentStream(request);
+        for await (const item of streamingResult.stream) {
+            console.log('stream chunk: ', JSON.stringify(item));
+        }
+        const aggregatedResponse = await streamingResult.response;
+        console.log('aggregated response: ', JSON.stringify(aggregatedResponse));
+    } catch (error) {
+        console.error('Error:', error);
+    }
+}
+
+testModel();
\ No newline at end of file