Update test app and readme for release

[guperrot]

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[msftclas]

Hi @guperrot, I'm your friendly neighborhood Microsoft Pull Request Bot (You can call me MSBOT). Thanks for your contribution!

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[codecov-io]

Current coverage is 100% (diff: 100%)

Merging #310 into master will not change coverage

@@           master   #310   diff @@
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  Methods         0      0          
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  Branches      499    499          
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  Hits         2725   2725          
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