fix:typo (#47)

* fix:typo

* fix: test case

Author: nic-chen

lib/resty/etcd/v2.lua

@@ -193,7 +193,7 @@ local function _request(self, method, uri, opts, timeout)
         return nil, "invalid response code: " .. res.status
     end
 
-    if res.stats == 401 then
+    if res.status == 401 then
         return nil, "insufficient credentials code: " .. res.status
     end
 

lib/resty/etcd/v3.lua

@@ -401,7 +401,7 @@ local function delete(self, key, attr)
 
     local range_end
     if attr.range_end then
-        range_end = encode_base64(attr.range_endrange_end)
+        range_end = encode_base64(attr.range_end)
     end
 
     local prev_kv

t/v2/cluster.t

@@ -134,5 +134,4 @@ GET /t
 [error]
 --- response_body
 checked error msg as expect: Key not found
-checked error msg as expect: The request requires user authentication
-all done
+err: insufficient credentials code: 401