[Phase 2] Testing - Modal, Inline, and Integration

[prosdev]

Description

Comprehensive testing for modal and inline plugins, plus integration tests with display conditions.

Tasks

Modal Plugin Tests:

• Create packages/plugins/src/modal/modal.test.ts
• Test modal rendering
• Test focus trap (Tab, Shift+Tab)
• Test keyboard handling (Escape)
• Test backdrop click
• Test ARIA attributes
• Test multiple modals
• Test cleanup on destroy
• Test event emissions
• Test mobile behavior
• Test custom styles and className

Inline Plugin Tests:

• Create packages/plugins/src/inline/inline.test.ts
• Test content insertion
• Test dismissal with persistence
• Test selector not found handling
• Test multiple inline experiences
• Test cleanup on destroy
• Test event emissions
• Test custom styles

Integration Tests:

• Add tests to packages/plugins/src/integration.test.ts
• Test exit intent → modal
• Test scroll depth → inline
• Test page visits → modal
• Test multiple layouts active simultaneously
• Test modal + banner together
• Test cleanup and memory

Acceptance Criteria

• 20+ modal tests (100% coverage)
• 15+ inline tests (100% coverage)
• 10+ integration tests
• All display conditions work with modal/inline
• No memory leaks
• No conflicts between layouts
• All 350+ tests passing

Estimate: 1 day