Add E2E testing framework for workflow verification

- Add Playwright E2E test suite
- Add WorkflowsPage for verifying workflows exist in Fusion SOAR
- Tests verify both ServiceNow IDP workflows are deployed
- Update manifest to ignore e2e directory

Author: mraible

e2e/.env.sample

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+# Falcon Authentication
+FALCON_USERNAME=[email protected]
+FALCON_PASSWORD=your-password
+FALCON_AUTH_SECRET=your-totp-secret
+FALCON_BASE_URL=https://falcon.us-2.crowdstrike.com
+
+# App Configuration
+APP_NAME=foundry-sample-servicenow-idp

e2e/.gitignore

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+# .dotenvx
+.env
+.env.keys
+
+# IntelliJ IDEA
+.idea
+
+# Playwright
+node_modules/
+/test-results/
+/playwright/
+/playwright-report/
+/blob-report/
+/playwright/.cache/

e2e/README.md

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+# E2E Tests
+
+End-to-end tests for the ServiceNow IDP Foundry app using Playwright.
+
+## Tests Included
+
+- **Workflow Verification**: Verifies that the app's workflows are deployed and accessible in Fusion SOAR
+
+## About This App
+
+This app synchronizes ServiceNow Configuration Management Database (CMDB) configuration rules with Identity Protection policies. It includes two workflows for synchronizing policy rules and managing checkpoints. The E2E tests verify that both workflows are properly deployed and discoverable.
+
+## Setup
+
+```bash
+npm ci
+npx playwright install chromium
+cp .env.sample .env
+# Edit .env with your credentials
+```
+
+## Run Tests
+
+```bash
+npm test              # All tests
+npm run test:debug    # Debug mode
+npm run test:ui       # Interactive UI
+```
+
+## Environment Variables
+
+```env
+APP_NAME=foundry-sample-servicenow-idp
+FALCON_BASE_URL=https://falcon.us-2.crowdstrike.com
+FALCON_USERNAME=your-username
+FALCON_PASSWORD=your-password
+FALCON_AUTH_SECRET=your-mfa-secret
+```
+
+**Important:** The `APP_NAME` must exactly match the app name as deployed in Falcon.
+
+## Test Flow
+
+1. **Setup**: Authenticates and installs the app
+2. **Workflow Verification**:
+   - Searches for both workflows
+   - Verifies both workflows are discoverable in Fusion SOAR
+3. **Teardown**: Uninstalls the app
+
+## CI/CD
+
+Tests run automatically in GitHub Actions on push/PR to main. The workflow deploys the app, runs tests, and cleans up.

e2e/constants/AuthFile.ts

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+export const AuthFile = 'playwright/.auth/user.json';