ignore NU1900

Author: Bertk

Directory.Build.props

@@ -15,7 +15,7 @@
     <CodeAnalysisTreatWarningsAsErrors>false</CodeAnalysisTreatWarningsAsErrors>
     <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
     <LangVersion>preview</LangVersion>
-    <NoWarn>$(NoWarn);NU1507;NU5105;CS1591;NU1608</NoWarn>
+    <NoWarn>$(NoWarn);NU1507;NU5105;CS1591;NU1608;NU1900</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <RestoreSources>
       https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-libraries/nuget/v3/index.json

test/coverlet.integration.tests/DotnetTool.cs

@@ -22,6 +22,10 @@ public DotnetGlobalTools(ITestOutputHelper output)
     private string InstallTool(string projectPath)
     {
       _ = DotnetCli($"tool install coverlet.console --version {GetPackageVersion("*console*.nupkg")} --tool-path \"{Path.Combine(projectPath, "coverletTool")}\"", out string standardOutput, out string standardError, projectPath);
+      if (!string.IsNullOrEmpty(standardError))
+      {
+        _output.WriteLine(standardError);
+      }
       Assert.Contains("", standardError);
       Assert.Contains("was successfully installed.", standardOutput);
       return Path.Combine(projectPath, "coverletTool", "coverlet");