[Minor] Fix tostring tests

test/lua/unit/selectors.lua

@@ -149,7 +149,7 @@ context("Selectors test", function()
 
     ["emails"] = {
                 selector = "emails",
-                expect = {{"mailto://test@example.net"}}},
+                expect = {{"test@example.net"}}},
 
     ["specific_urls"] = {
       selector = "specific_urls({limit = 1})",
@@ -157,11 +157,11 @@ context("Selectors test", function()
 
     ["specific_urls + emails"] = {
       selector = "specific_urls({need_emails = true, limit = 2})",
-      expect = {{"http://example.net", "mailto://test@example.net"}}},
+      expect = {{"test@example.net", "http://example.net"}}},
 
     ["specific_urls + emails limit"] = {
       selector = "specific_urls({need_emails = true, limit = 1})",
-      expect = {{"mailto://test@example.net"}}},
+      expect = {{"test@example.net"}}},
 
     ["pool_var str, default type"] = {
                 selector = [[pool_var("str_var")]],