added unit test cases

Author: khushail

.github/workflows/handleStaleDiscussions.yml

@@ -30,7 +30,7 @@ jobs:
       - name: Build
         run: npm run build
 
-      - name: Close stale discussions
+      - name: Handle stale discussions
         uses: ./
         env:
           GITHUB_TOKEN:  ${{secrets.GITHUB_TOKEN}}

.github/workflows/unit-test.yml

@@ -0,0 +1,16 @@
+name: Unit Test
+
+on: push
+
+jobs:
+  jest-tests:
+    name: jest tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Testing
+        run: npm run test