try adding <PackageCopyToOutput>true</PackageCopyToOutput>

Hardik Desai · Hardik Desai · commit 6051df895360 · 2020-04-03T14:35:37.000+01:00
diff --git a/src/SFA.DAS.Payments.ProviderPayments.Messages/SFA.DAS.Payments.ProviderPayments.Messages.csproj b/src/SFA.DAS.Payments.ProviderPayments.Messages/SFA.DAS.Payments.ProviderPayments.Messages.csproj
@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
+    <PackageCopyToOutput>true</PackageCopyToOutput>
   </PropertyGroup>
 
   <ItemGroup>
