Run unit tests in CI

Signed-off-by: Yutaro Hayakawa <[email protected]>

.github/workflows/unit-tests.yaml

@@ -0,0 +1,21 @@
+name: Unit Tests
+
+on:
+  push:
+    branches:
+    - main
+  pull_request:
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: Setup Go
+      uses: actions/setup-go@v5
+      go-version-file: ./go.mod
+
+    - name: Run tests
+      run: go test -v