add test case

.github/workflows/test.yml

@@ -0,0 +1,12 @@
+name: Test
+on: ["pull_request"]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Build container
+      run:
+        docker build -t chado .