ci: add job to run tests with bazel

.github/workflows/bazel_test.yml

@@ -0,0 +1,34 @@
+name: Bazel Test
+
+on:
+  push:
+    branches:
+      - '*'
+  pull_request:
+    branches:
+      - '*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Cache bazel
+        uses: actions/cache@v2
+        env:
+          cache-name: bazel-cache
+        with:
+          path: |
+            ~/.cache/bazelisk
+            ~/.cache/bazel
+          key: ${{ runner.os }}-${{ env.cache-name }}-${{ github.ref }}
+          restore-keys: |
+            ${{ runner.os }}-${{ env.cache-name }}-development
+
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Run Bazel test
+        run: |
+          bazel test //...
+