Failure to restore a package: Unable to resolve 'coveralls.io (>= 1.4.0)' for '.NETStandard,Version=v2.0'. [/mnt/resource/j/workspace/dotnet_corefx/master/centos7.1_debug_prtest/external/test-runtime/XUnit.Runtime.depproj]
Example: dotnet/corefx#16222
Example: dotnet/corefx#16222