test: try to fix tests when running hsts under Node.js 10
test: try to fix tests when running hsts under Node.js 10

JCMais/node-libcurl,JCMais/node-libcurl,JCMais/node-libcurl,JCMais/node-libcurl,JCMais/node-libcurl,JCMais/node-libcurl,JCMais/node-libcurl