reactive/Rx.NET/Source/Tests.System.Reactive.Uwp.DeviceRunner/App.xaml

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    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:ui="using:Xunit.Runners.UI"
    RequestedTheme="Light">
</ui:RunnerApplication>