Add PR tests

Author: ValentaTomas

.github/workflows/pr_tests.yml

@@ -0,0 +1,88 @@
+name: PR Tests
+
+on:
+  pull_request:
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  rust-unit-tests:
+    name: Rust Unit Tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Rust
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Run unit tests
+        run: cargo test --workspace
+
+      - name: Run doc tests
+        run: cargo test --workspace --doc
+
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          components: clippy
+
+      - name: Build release
+        run: cargo build --release --workspace
+
+      - name: Clippy
+        run: cargo clippy --workspace --all-targets -- -D warnings
+
+  functional-tests:
+    name: Functional Tests
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Install Python dependencies
+        run: |
+          pip install pytest pytest-timeout pytest-json-report requests psutil tenacity filelock "urllib3<2.0" requests-unixsocket aws-embedded-metrics
+
+      - name: Set up Rust
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Build Firecracker release
+        run: cargo build --release
+
+      - name: Check KVM availability
+        id: check_kvm
+        run: |
+          if [ -c /dev/kvm ] && [ -r /dev/kvm ] && [ -w /dev/kvm ]; then
+            echo "kvm_available=true" >> $GITHUB_OUTPUT
+          else
+            echo "kvm_available=false" >> $GITHUB_OUTPUT
+            echo "⚠️ KVM not available - functional tests will skip"
+          fi
+
+      - name: Run functional tests
+        if: steps.check_kvm.outputs.kvm_available == 'true'
+        run: |
+          cd tests
+          sudo env PATH="$PATH" PYTHONPATH=. pytest -m 'not nonci and not no_block_pr' integration_tests/functional/
+        continue-on-error: true
+
+      - name: Collect functional tests (dry run)
+        if: steps.check_kvm.outputs.kvm_available == 'false'
+        run: |
+          cd tests
+          pytest --collect-only -m 'not nonci and not no_block_pr' integration_tests/functional/