test using env variable by default

Author: numkem

plugins/vault/test.lua

@@ -5,7 +5,7 @@
 local vault = require("vault")
 
 function GET(_, _)
-    local v, err = vault.new("https://127.0.0.1:8200", "<token>")
+    local v, err = vault.new("", "", true)
     if err ~= nil then
         return "conn: " .. err
     end