Add test ci

.github/workflows/test.yml

@@ -0,0 +1,20 @@
+name: Test
+on:
+  push:
+    branches:
+      - '*'
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Rust setup
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+
+      - run: cargo test