copy file to output directory

Author: MaggieKimani1

test/Microsoft.OpenApi.Tests/Microsoft.OpenApi.Tests.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
     <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
@@ -42,6 +42,10 @@
       <DependentUpon>OpenApiCallbackReferenceTests.cs</DependentUpon>
     </None>
 
+    <None Update="Models\Samples\docWithReusableWebhooks.yaml">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+      
     <None Update="PublicApi\PublicApi.approved.txt" CopyToOutputDirectory="Always" />
   </ItemGroup>