for xcode 11.1which doesn't contain ipad pro iPad Pro (2nd Gen) 12.9" Display run this command in terminal
xcrun simctl create "iPad Pro (12.9-inch) (2nd generation)" "com.apple.CoreSimulator.SimDeviceType.iPad-Pro--12-9-inch---2nd-generation-" "com.apple.CoreSimulator.SimRuntime.iOS-13-1"