Add workflow for testing

.github/workflows/unit-test.yml

@@ -0,0 +1,27 @@
+name: Linting
+
+on:
+  push:
+    branches:
+      - main
+      - ci-cd
+    tags-ignore:
+      - "*"
+
+jobs:
+  unit-test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Install dependencies
+        run: pip install -r requirements.txt
+
+      - name: Install dev dependencies
+        run: pip install pytest
+
+      - name: Run tests
+        run: pytest tests
+