ci: add test workflow

.github/workflows/test.yml

@@ -0,0 +1,36 @@
+# Copyright 2019-2022 Tauri Programme within The Commons Conservancy
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT
+
+name: test
+
+on:
+  push:
+    branches:
+      - dev
+  pull_request:
+
+env:
+  RUST_BACKTRACE: 1
+
+concurrency:
+   group: ${{ github.workflow }}-${{ github.ref }}
+   cancel-in-progress: true
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: install stable
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+
+      - uses: actions-rs/cargo@v1
+        with:
+          command: test