fix(aws-lambda): Increase shutdown timeout for lambda test infrastructure & added temporary workflow that runs aws_lambda tests in parallel

Refs: #6911

Author: pabloDeputter

.github/workflows/aws-lambda-flake-check.yml

@@ -0,0 +1,41 @@
+name: AWS Lambda Flake Check
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
+jobs:
+  aws-lambda-flake:
+    name: aws_lambda py${{ matrix.python-version }} #${{ matrix.attempt }}
+    timeout-minutes: 30
+    runs-on: ubuntu-22.04
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.8", "3.9", "3.11", "3.13"]
+        attempt: [1, 2, 3, 4, 5]
+    services:
+      docker:
+        image: docker:dind
+        options: --privileged
+    steps:
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - name: Install uv
+        uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
+        with:
+          enable-cache: false
+      - name: Setup Test Env
+        run: uv sync
+      - name: Test aws_lambda (attempt ${{ matrix.attempt }})
+        run: |
+          set -x
+          ./scripts/runtox.sh "py${{ matrix.python-version }}-aws_lambda"

tests/integrations/aws_lambda/test_aws_lambda.py

@@ -14,6 +14,7 @@
 
 DOCKER_NETWORK_NAME = "lambda-test-network"
 SAM_TEMPLATE_FILE = "sam.template.yaml"
+SAM_SHUTDOWN_TIMEOUT = 60
 
 
 @pytest.fixture(scope="session", autouse=True)
@@ -78,13 +79,12 @@ def before_test():
 
     finally:
         print("[test_environment fixture] Tearing down AWS Lambda test infrastructure")
-
         process.terminate()
-        process.wait(timeout=10)  # Give it time to shut down gracefully
-
-        # Force kill if still running
-        if process.poll() is None:
+        try:
+            process.wait(timeout=SAM_SHUTDOWN_TIMEOUT)
+        except subprocess.TimeoutExpired:
             process.kill()
+            process.wait()
 
 
 @pytest.fixture(autouse=True)