Upgrade test sdk package (#7076)

Author: zivkan

Directory.Packages.props

@@ -58,7 +58,7 @@
     <PackageVersion Include="Microsoft.Extensions.FileSystemGlobbing" Version="$(MicrosoftExtensionsFileSystemGlobbingPackageVersion)" />
     <PackageVersion Include="Microsoft.Internal.VisualStudio.Shell.Framework" Version="17.10.40173" />
     <PackageVersion Include="Microsoft.NET.StringTools" Version="$(MicrosoftBuildVersion)" />
-    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageVersion Include="Microsoft.PowerShell.3.ReferenceAssemblies" Version="1.0.0" />
     <!-- Microsoft.TeamFoundationServer.ExtendedClient has vulnerable dependencies Microsoft.IdentityModel.JsonWebTokens and System.IdentityModel.Tokens.Jwt . When it's upgraded, try removing the pinned packages -->
     <PackageVersion Include="Microsoft.TeamFoundationServer.ExtendedClient" Version="16.153.0" />
@@ -105,7 +105,7 @@
     <PackageVersion Include="System.Threading.Tasks.Dataflow" Version="4.9.0" />
     <PackageVersion Include="VsWebSite.Interop" Version="17.10.40173" />
     <PackageVersion Include="xunit" Version="2.9.0" />
-    <PackageVersion Include="xunit.runner.visualstudio" Version="2.4.5" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
     <PackageVersion Include="Xunit.StaFact" Version="1.1.11" />
   </ItemGroup>
 

test/NuGet.Core.FuncTests/Dotnet.Integration.Test/DotnetVerifyTests.cs

@@ -35,6 +35,7 @@ public DotnetVerifyTests(DotnetIntegrationTestFixture dotnetFixture, SignCommand
             _dotnetFixture = dotnetFixture;
             _signFixture = signFixture;
             _testOutputHelper = testOutputHelper;
+            _signFixture.SetFallbackCertificateBundles(dotnetFixture.SdkDirectory);
         }
 
         [PlatformFact(Platform.Windows, Platform.Linux)]