Tasks, and targets to support workload testing in dotnet repositories.

Relevant msbuild properties:

• $(InstallWorkloadForTesting) - required

• $(BuiltNuGetsDir) - required

• $(DotNetInstallArgumentsForWorkloadsTesting) - required

• $(TemplateNuGetConfigPathForWorkloadTesting) - required

• $(TestUsingWorkloads) - optional

• $(SkipTempDirectoryCleanup) - optional

• $(VersionBandForManifestPackages) - optional

• $(ExtraWorkloadInstallCommandArguments) - optional

• $(WorkloadInstallCommandOutputImportance) - optional, defaults to Normal

$(PackageSourceNameForBuiltPackages) - optional

<add key="<$sourceName>" value="file:///..." />

Defaults to nuget-local.

$(NuGetConfigPackageSourceMappingsForWorkloadTesting) - optional

For a value of *Aspire*;Foo*, a package source mapping will be added to the local nuget source added for built nugets:

  <packageSourceMapping>
    <packageSource key="nuget-local">
      <package pattern="*Aspire*" />
      <package pattern="Foo*" />
    </packageSource>
    ...

items

• @(DefaultPropertiesForNuGetBuild)