diff --git a/.github/workflows/test-pull-request.yml b/.github/workflows/test-pull-request.yml
index 9ff20b2..0865f30 100644
--- a/.github/workflows/test-pull-request.yml
+++ b/.github/workflows/test-pull-request.yml
@@ -35,7 +35,7 @@ jobs:
         name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: 18.x
+          node-version: 22.x
       - &install-dependencies
         name: Install dependencies
         run: npm run project-install-clean
@@ -254,3 +254,47 @@ jobs:
           name: screenshots-macos-${{ matrix.version }}
           path: ${{ github.workspace }}/.s/screenshots
           if-no-files-found: ignore
+
+  # UNIT TESTS
+  test-unit-linux:
+    name: Unit Tests-linux
+    needs: build-linux
+    runs-on: ubuntu-latest
+    steps:
+      - *checkout
+      - *verify-head
+      - *download-linux-build-artifacts
+      - *setup-node
+      - *install-dependencies
+      - &run-unit-tests
+        name: Run Unit tests
+        run: npm run test-unit:fast
+      - &run-wsb-tests
+        name: Run Workspace Browser tests
+        run: npm run test-wsb:fast
+
+  test-unit-windows:
+    name: Unit Tests-windows
+    needs: build-windows
+    runs-on: windows-latest
+    steps:
+      - *checkout
+      - *verify-head
+      - *download-windows-build-artifacts
+      - *setup-node
+      - *install-dependencies
+      - *run-unit-tests
+      - *run-wsb-tests
+
+  test-unit-macos:
+    name: Unit Tests-macos
+    needs: build-macos
+    runs-on: macos-14
+    steps:
+      - *checkout
+      - *verify-head
+      - *download-macos-build-artifacts
+      - *setup-node
+      - *install-dependencies
+      - *run-unit-tests
+      - *run-wsb-tests
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b9d909f..2a44379 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,7 +19,7 @@ jobs:
         name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: 18.x
+          node-version: 22.x
       - &install-dependencies
         name: Install dependencies
         run: npm run project-install-clean
@@ -228,3 +228,44 @@ jobs:
           name: screenshots-macos-${{ matrix.version }}
           path: ${{ github.workspace }}/.s/screenshots
           if-no-files-found: ignore
+
+  # UNIT TESTS
+  test-unit-linux:
+    name: Unit Tests-linux
+    needs: build-linux
+    runs-on: ubuntu-latest
+    steps:
+      - *checkout
+      - *download-linux-build-artifacts
+      - *setup-node
+      - *install-dependencies
+      - &run-unit-tests
+        name: Run Unit tests
+        run: npm run test-unit:fast
+      - &run-wsb-tests
+        name: Run Workspace Browser tests
+        run: npm run test-wsb:fast
+
+  test-unit-windows:
+    name: Unit Tests-windows
+    needs: build-windows
+    runs-on: windows-latest
+    steps:
+      - *checkout
+      - *download-windows-build-artifacts
+      - *setup-node
+      - *install-dependencies
+      - *run-unit-tests
+      - *run-wsb-tests
+
+  test-unit-macos:
+    name: Unit Tests-macos
+    needs: build-macos
+    runs-on: macos-14
+    steps:
+      - *checkout
+      - *download-macos-build-artifacts
+      - *setup-node
+      - *install-dependencies
+      - *run-unit-tests
+      - *run-wsb-tests
diff --git a/package.json b/package.json
index f2db70f..efaf98e 100644
--- a/package.json
+++ b/package.json
@@ -524,10 +524,12 @@
 		"test-ui": "npm run test-setup && node ./out/test/ui/runTest.js",
 		"test-smoke:fast": "node ./out/test/smoke/runTest.js",
 		"test-ui:fast": "node ./out/test/ui/runTest.js",
+		"test-unit": "npm run test-setup && node ./out/test/unit/runTest.js",
+		"test-unit:fast": "node ./out/test/unit/runTest.js",
 		"test-wsb": "npm run test-setup && node out/test/workspacebrowser/runTest.js",
 		"test-wsb:fast": "node out/test/workspacebrowser/runTest.js",
 		"test": "npm run test-setup && npm run test:fast",
-		"test:fast": "npm run test-smoke:fast && npm run test-ui:fast && npm run test-wsb:fast",
+		"test:fast": "npm run test-smoke:fast && npm run test-ui:fast && npm run test-unit:fast && npm run test-wsb:fast",
 		"project-install": "node ./build/projectInstall.js",
 		"project-install-clean": "node ./build/projectInstall.js --clean",
 		"package": "vsce package"
diff --git a/src/test/unit/runTest.ts b/src/test/unit/runTest.ts
new file mode 100644
index 0000000..b1352f3
--- /dev/null
+++ b/src/test/unit/runTest.ts
@@ -0,0 +1,31 @@
+// Copyright 2026 The MathWorks, Inc.
+
+import { registerMockVscode } from './mock-vscode'
+import * as path from 'path'
+import * as Mocha from 'mocha'
+import * as glob from 'glob'
+
+// Register mock before any test imports that depend on vscode
+registerMockVscode()
+
+async function runTests (): Promise<void> {
+    const mocha = new Mocha({
+        ui: 'tdd',
+        reporter: 'spec'
+    })
+
+    const testRoot = path.resolve(__dirname, '**', '*.test.js').split(path.sep).join('/')
+    const testFiles = glob.sync(testRoot)
+    testFiles.forEach((file: string) => mocha.addFile(file))
+
+    return await new Promise<void>((resolve, reject) => {
+        mocha.run((failures: number) => {
+            failures > 0 ? reject(new Error(`${failures} tests failed`)) : resolve()
+        })
+    })
+}
+
+runTests().catch((err: unknown) => {
+    console.error(err)
+    process.exit(1)
+})