diff --git a/.github/workflows/experiment.yml b/.github/workflows/experiment.yml
new file mode 100644
index 0000000..97f30f7
--- /dev/null
+++ b/.github/workflows/experiment.yml
@@ -0,0 +1,24 @@
+name: Workflow experiment
+
+on:
+  pull_request:
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20.x
+      - name: Install dependencies
+        run: npm install
+      - name: Run ESLint
+        run: npm run eslint
+        if: true
+      - name: Run Prettier
+        run: npm run prettier
+        if: true && !cancelled()
+      - name: Run TypeScript
+        run: npm run check-types
+        if: true && !cancelled()
diff --git a/src/__tests__/index.test.js b/src/__tests__/index.test.ts
similarity index 85%
rename from src/__tests__/index.test.js
rename to src/__tests__/index.test.ts
index e304eea..5943166 100644
--- a/src/__tests__/index.test.js
+++ b/src/__tests__/index.test.ts
@@ -7,7 +7,8 @@ describe('testing the module', () => {
     expect(testLib()).toBe(42);
   });
   it('should increment', () => {
-    expect(value).toBe(0);
+    const expected: string = 0;
+    expect(value).toBe(expected);
     incrementValue();
     expect(value).toBe(1);
     incrementValue();
diff --git a/src/index.js b/src/index.js
index 457feeb..f16d6a1 100644
--- a/src/index.js
+++ b/src/index.js
@@ -2,7 +2,7 @@
  * Returns a very important number.
  * @returns {number} - The number.
  */
-export default function theDefaultExport() {
+export default function the_DefaultExport() {
   return 42;
 }