Update all test sdk references to the latest version.

Author: marcpopMSFT

test/TestAssets/TestPackages/dotnet-new/test_templates/PostActions/RestoreNuGet/Files_MatchSpecifiedFiles/Tool.Test/Tool.Test.csproj

@@ -9,7 +9,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(MicrosoftNETTestSdkPackageVersion)" />
 		<PackageReference Include="xunit" Version="2.4.1" />
 		<PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

test/TestAssets/TestPackages/dotnet-new/test_templates/PostActions/RestoreNuGet/Files_MismatchSpecifiedFiles/Tool.Test/Tool.Test.csproj

@@ -9,7 +9,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(MicrosoftNETTestSdkPackageVersion)" />
 		<PackageReference Include="xunit" Version="2.4.1" />
 		<PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

test/TestAssets/TestPackages/dotnet-new/test_templates/PostActions/RestoreNuGet/Files_PatternWithFileName/Tool.Test/Tool.Test.csproj

@@ -9,7 +9,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(MicrosoftNETTestSdkPackageVersion)" />
 		<PackageReference Include="xunit" Version="2.4.1" />
 		<PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

test/TestAssets/TestPackages/dotnet-new/test_templates/PostActions/RestoreNuGet/Files_PatternWithGlobstar/Tool.Test/Tool.Test.csproj

@@ -9,7 +9,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(MicrosoftNETTestSdkPackageVersion)" />
 		<PackageReference Include="xunit" Version="2.4.1" />
 		<PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

test/TestAssets/TestPackages/dotnet-new/test_templates/PostActions/RestoreNuGet/Files_PatternWithWildcard/Tool.Test/Tool.Test.csproj

@@ -9,7 +9,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(MicrosoftNETTestSdkPackageVersion)" />
 		<PackageReference Include="xunit" Version="2.4.1" />
 		<PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

test/TestAssets/TestPackages/dotnet-new/test_templates/PostActions/RestoreNuGet/Files_SupportSemicolonDelimitedList/Tool.Test/Tool.Test.csproj

@@ -9,7 +9,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(MicrosoftNETTestSdkPackageVersion)" />
 		<PackageReference Include="xunit" Version="2.4.1" />
 		<PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

test/TestAssets/TestProjects/PortableToolWithTestProject/Test/XUnitTestProject.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(MicrosoftNETTestSdkPackageVersion)" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
   </ItemGroup>

test/TestAssets/TestProjects/XUnitTestProject/XUnitTestProject.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(MicrosoftNETTestSdkPackageVersion)" />
     <PackageReference Include="xunit" Version="2.2.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0" />
   </ItemGroup>

test/dotnet-new.Tests/Approvals/sample05.multi-project.includetest=true.verified/sample05/sample05.Test/sample05.Test.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(MicrosoftNETTestSdkPackageVersion)" />
     <PackageReference Include="xunit" Version="2.2.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0" />
   </ItemGroup>

test/dotnet-test.Tests/GivenDotnetTestBuildsAndRunsTestFromCsprojForMultipleTFM.cs

@@ -152,7 +152,7 @@ public void TestSlnWithMultitargetedProject()
                 TargetFrameworks = ToolsetInfo.CurrentTargetFramework,
             };
 
-            testProject.PackageReferences.Add(new TestPackageReference("Microsoft.NET.Test.Sdk", "16.7.1"));
+            testProject.PackageReferences.Add(new TestPackageReference("Microsoft.NET.Test.Sdk", "17.12.0"));
             testProject.PackageReferences.Add(new TestPackageReference("xunit", "2.4.1"));
             testProject.PackageReferences.Add(new TestPackageReference("xunit.runner.visualstudio", "2.4.3", privateAssets: "all"));