fix(batch-requests): ignore "unix:" in the configuration (#7109)

Signed-off-by: spacewander <spacewanderlzx@gmail.com>

Author: spacewander

apisix/cli/ops.lua

@@ -279,8 +279,10 @@ Please modify "admin_key" in conf/config.yaml .
         if real_ip_from then
             for _, ip in ipairs(real_ip_from) do
                 local _ip = cli_ip:new(ip)
-                if _ip and _ip:is_loopback() or _ip:is_unspecified() then
-                    pass_real_client_ip = true
+                if _ip then
+                    if _ip:is_loopback() or _ip:is_unspecified() then
+                        pass_real_client_ip = true
+                    end
                 end
             end
         end

t/cli/test_validate_config.sh

@@ -195,7 +195,7 @@ nginx_config:
         - "unix:"
 ' > conf/config.yaml
 
-out=$(make init 2>&1 || true)
+out=$(make init 2>&1)
 if echo "$out" | grep "missing loopback or unspecified in the nginx_config.http.real_ip_from for plugin batch-requests"; then
     echo "failed: should check the realip configuration for batch-requests"
     exit 1