修改动态配置UT失败问题

[hanbingleixue]

【修复issue】#1229

【修改内容】1、修改动态配置UT

【用例描述】
1、修改动态配置插件的UT实例化失败的问题
2、修改离群集成插件的UT出现统计数据遍历失败的情况。

【自测情况】1、本地自测通过

【影响范围】1、对用户的使用没有影响（

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +0.03 🎉

Comparison is base (066c5b3) 41.65% compared to head (d91ed82) 41.69%.

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #1230      +/-   ##
=============================================
+ Coverage      41.65%   41.69%   +0.03%     
- Complexity      3200     3204       +4     
=============================================
  Files            811      811              
  Lines          17927    17925       -2     
  Branches        1949     1949              
=============================================
+ Hits            7468     7473       +5     
+ Misses          9523     9516       -7     
  Partials         936      936              

Flag	Coverage Δ
unittests	41.69% <ø> (+0.03%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

see 8 files with indirect coverage changes

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