Convert most tools service tests to nunit (#1037)

* Remove xunit dependency from testdriver

* swap expected/actual as needed

* Convert Test.Common to nunit

* port hosting unit tests to nunit

* port batchparser integration tests to nunit

* port testdriver.tests to nunit

* fix target to copy dependency

* port servicelayer unittests to nunit

* more unit test fixes

* port integration tests to nunit

* fix test method type

* try using latest windows build for PRs

* reduce test memory use

src/Microsoft.SqlTools.ServiceLayer/Microsoft.SqlTools.ServiceLayer.csproj

@@ -20,7 +20,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-        <PackageReference Include="Microsoft.SqlServer.DACFx" />
+		<PackageReference Include="Microsoft.SqlServer.DACFx" />
 		<PackageReference Include="Microsoft.Data.SqlClient.AlwaysEncrypted.AzureKeyVaultProvider" />
 		<PackageReference Include="System.Text.Encoding.CodePages" />
 	</ItemGroup>
@@ -45,4 +45,23 @@
 	<ItemGroup>
 		<EmbeddedResource Include=".\Agent\NotebookResources\NotebookJobScript.ps1" />
 	</ItemGroup>
+	<!-- this target enables dependency files to be copied as part of the output of ProjectReference.
+	https://github.com/dotnet/sdk/issues/1675
+	 -->
+	<Target Name="AddRuntimeDependenciesToContent"
+		  Condition="'$(TargetFrameworkIdentifier)' == '.NETCoreApp'"
+		  BeforeTargets="GetCopyToOutputDirectoryItems"
+		  DependsOnTargets="GenerateBuildDependencyFile;
+							GenerateBuildRuntimeConfigurationFiles">
+		<ItemGroup>
+			<ContentWithTargetPath Include="$(ProjectDepsFilePath)"
+							Condition="'$(GenerateDependencyFile)' == 'true'"
+							CopyToOutputDirectory="PreserveNewest"
+							TargetPath="$(ProjectDepsFileName)" />
+			<ContentWithTargetPath Include="$(ProjectRuntimeConfigFilePath)"
+							Condition="'$(GenerateRuntimeConfigurationFiles)' == 'true'"
+							CopyToOutputDirectory="PreserveNewest"
+							TargetPath="$(ProjectRuntimeConfigFileName)" />
+		</ItemGroup>
+	</Target>
 </Project>