Tooltip Positioning Tests
Test 1: Full Width (100%) - Should Use Vertical Positioning
Image takes 100% of viewport width. Tooltips should appear above/below hotspots.
Test 2: 60% Width - Should Use Vertical Positioning
Image takes 60% of viewport width. Tooltips should appear above/below hotspots.
Test 3: 40% Width - Should Use Horizontal Positioning
Image takes 40% of viewport width. Tooltips should appear left/right of hotspots.
Test 4: Mobile Size (320px) - Should Use Vertical Positioning
Fixed width of 320px (simulating mobile). Should use vertical positioning on small screens.