If set, test data for specific layout are presented. Accepts below values:
RNAatkitUnifiedNativeAd.genericLayout = 0
RNAatkitUnifiedNativeAd.googleLayout = 1
RNAatkitUnifiedNativeAd.facebookLayout = 2
RNAatkitUnifiedNativeAd.blueStackLayout = 3
<RNAatkitUnifiedNativeAd
name="NativeAd"
showTestDataForLayout={RNAatkitUnifiedNativeAd.googleLayout}
/>