ci: gh action for integration tests

.github/workflows/ic-backend-tests.yml

@@ -0,0 +1,29 @@
+name: ic_backend tests
+
+# only run when a commit is pushed to the main branch
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  integration-tests:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust toolchain
+        shell: bash
+        run: rustup show
+
+      - name: Setup Rust cache
+        uses: Swatinem/rust-cache@v2
+        with:
+          cache-on-failure: "true"
+          shared-key: "build-wasm"
+
+      - name: Run integration tests
+        run: ./scripts/integration-test.sh