Mobile Emulation Testing with Playwright Test responsive designs and mobile-specific features using Playwright's device emulation capabilities. Quick Start Configuration Project-Based Device Testing playwright.config.ts: Custom Device Configuration Available Devices Popular Devices List All Devices Responsive Breakpoint Testing Test Multiple Viewports Dynamic Viewport Changes Touch Interactions Tap Swipe Pinch to Zoom Long Press Orientation Testing Portrait vs Landscape Using Device Landscape Variants Geolocation Testing Change Location During Test Network Conditions Slow 3G Offline Mode Devi…