SourceCode build failures in 'prodcon/cli-migrate/release/2.1.3xx/' - '20180518.01'

There were a set of failures during this build. Here is a summary of these:

• https://devdiv.visualstudio.com/DefaultCollection/DevDiv/_build?_a=summary&buildId=1699465
  • Agent: DDVSOWINAGE100
  • Error log: XUnit : error : E:\A_work\0\s\artifacts\platform\TestResults\dotnet-migrate.Tests_netcoreapp2.0_x64.log [netcoreapp2.0|x64] [E:\A_work\0\s\src\Tests\dotnet-migrate.Tests\dotnet-migrate.Tests.csproj]...

@mmitche, @livarcocc