test("optional means absent not truthy",["basic"],({displayRows})=>{checkEq(displayRows([{service:"api"},{service:"db",label:""},{service:"x",label:"custom"}]),[{service:"api",label:"api"},{service:"db",label:""},{service:"x",label:"custom"}]);});
test("fresh rows leave readonly inputs unchanged",["invariant"],({displayRows})=>{const input=Object.freeze([Object.freeze({service:"api"})]);const result=displayRows(input);checkEq(result,[{service:"api",label:"api"}]);checkEq(result[0]===input[0],false);});
test("empty collection",["boundary"],({displayRows})=>checkEq(displayRows([]),[]));
