revert a test case

t/core/config_etcd.t

@@ -233,7 +233,43 @@ passed
 
 
 
-=== TEST 7: ensure add prefix automatically for _M.getkey
+=== TEST 7: ensure only one auth request per subsystem for all the etcd sync
+--- yaml_config
+apisix:
+  node_listen: 1984
+deployment:
+  role: traditional
+  role_traditional:
+    config_provider: etcd
+  etcd:
+    host:
+      - "http://127.0.0.1:1980" -- fake server port
+    timeout: 1
+    user: root                    # root username for etcd
+    password: 5tHkHhYkjr6cQY      # root password for etcd
+--- extra_init_by_lua
+local health_check = require("resty.etcd.health_check")
+health_check.get_target_status = function()
+    return true
+end
+--- config
+    location /t {
+        content_by_lua_block {
+            ngx.sleep(0.5)
+        }
+    }
+--- request
+GET /t
+--- grep_error_log eval
+qr/etcd auth failed/
+--- grep_error_log_out
+etcd auth failed
+etcd auth failed
+etcd auth failed
+
+
+
+=== TEST 8: ensure add prefix automatically for _M.getkey
 --- config
     location /t {
         content_by_lua_block {
@@ -264,7 +300,7 @@ passed
 
 
 
-=== TEST 8: Test ETCD health check mode switch during APISIX startup
+=== TEST 9: Test ETCD health check mode switch during APISIX startup
 --- config
     location /t {
         content_by_lua_block {
@@ -283,7 +319,7 @@ qr/healthy check use round robin
 
 
 
-=== TEST 9: last_err can be nil when the reconnection is successful
+=== TEST 10: last_err can be nil when the reconnection is successful
 --- config
     location /t {
         content_by_lua_block {
@@ -313,7 +349,7 @@ passed
 
 
 
-=== TEST 10: reloaded data may be in res.body.node (special kvs structure)
+=== TEST 11: reloaded data may be in res.body.node (special kvs structure)
 --- yaml_config
 deployment:
     role: traditional
@@ -360,7 +396,7 @@ qr/readdir key: fake res: \{("value":"bar","key":"foo"|"key":"foo","value":"bar"
 
 
 
-=== TEST 11: reloaded data may be in res.body.node (admin_api_version is v2)
+=== TEST 12: reloaded data may be in res.body.node (admin_api_version is v2)
 --- yaml_config
 deployment:
     role: traditional