Add Build & Test to CI

.github/workflows/unit_tests-aarch64-darwin.yaml

@@ -0,0 +1,28 @@
+name: Build & Test
+on: [pull_request, create]
+
+jobs:
+  build:
+    if: github.event_name == 'pull_request'
+    name: Build & Test
+    runs-on: macos-latest
+    steps:
+      - name: Code checkout
+        uses: actions/checkout@v2
+      - name: Install Rust toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+            toolchain: stable
+
+      - name: Set up Homebrew
+        id: set-up-homebrew
+        uses: Homebrew/actions/setup-homebrew@master
+
+      - name: Install dependencies
+        run: brew tap slp/krunkit && brew install virglrenderer clang-format libkrun-efi
+
+      - name: Build
+        run: cargo build --release --verbose
+
+      - name: Test
+        run: cargo test --release --verbose -- --show-output