feat: Add UI testing setup and storage provider tests

- Introduced a new script for installing UI testing dependencies, including Node.js and Playwright browsers.
- Added comprehensive tests for managing storage providers, covering creation, editing, deletion, and connection testing.
- Implemented helper functions for user login and provider management in the test setup.
- Enhanced test coverage for various storage provider types, including SFTP, FTP, SMB, S3, and cloud services.

scripts/install-ui-testing.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# Script to install UI testing dependencies
+
+echo "Installing Node.js dependencies for UI testing..."
+npm install
+
+echo "Installing Playwright browsers..."
+npx playwright install
+
+echo "UI testing setup complete!"
+echo ""
+echo "You can now run UI tests with the following commands:"
+echo "  npm test             - Run all tests"
+echo "  npm run test:headed  - Run tests with visible browsers"
+echo "  npm run test:debug   - Run tests in debug mode"
+echo "  npm run test:ui      - Run tests with Playwright UI"
+echo ""
+echo "For more information, see tests/README.md"