Fix more warnings

Author: normj

Tools/LambdaTestTool-v2/src/Amazon.Lambda.TestTool/Amazon.Lambda.TestTool.csproj

@@ -16,7 +16,7 @@
     <PackageId>Amazon.Lambda.TestTool</PackageId>
     <ToolCommandName>dotnet-lambda-test-tool</ToolCommandName>
     <Version>0.13.0</Version>
-    <NoWarn>NU5100;CS1591</NoWarn>
+    <NoWarn>NU5100;NU5048;CS1591</NoWarn>
     <RollForward>Major</RollForward>
     <PackageReadmeFile>README.md</PackageReadmeFile>
   </PropertyGroup>