[Helix] Cors.FunctionalTest needs additional files to run on helix

[HaoK]

This test needs more than just the sample destination/origin files it appears to run. Whatever files it needs should be included in the publish directory for it to be running via dotnet vstest to work on helix.

The following changes will copy over the samples to the publish directory and find the files, but there were runtime errors related to npm after that

    <Compile Include="$(SharedSourceRoot)test\SkipOnHelixAttribute.cs" />
    <HelixContent Include="..\..\samples\SampleOrigin\**\*.*" LinkBase="SampleOrigin" />
    <HelixContent Include="..\..\samples\SampleDestination\**\*.*" LinkBase="SampleDestination" />

  // Inside of CorsMiddlewareFunctionalTest.CreateDeployments
            var samplesPath = SkipOnHelixAttribute.OnHelix() ? AppContext.BaseDirectory : Path.Combine(TestPathUtilities.GetSolutionRootDirectory("Middleware"), "CORS", "samples"); 

[HaoK]

Files such as project.json will likely need to be published as well

[mkArtakMSFT]

@HaoK what's the status of this? Seems like this hasn't been updated for a while.
I'm moving this to preview6, but if you have a PR ready to go - feel free to merge it and bring this back.

[natemcmaster]

Looks like this test project is one of many which require refactoring to work on Helix. cref #10268

[HaoK]

Closing since these tests were removed via #13826