test: update the admin account for sample 'Productivity Hub using Gra…

[luyajun0205]

…ph Toolkit'

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.29%. Comparing base (e039ab8) to head (3343676).
⚠️ Report is 7 commits behind head on dev.

Additional details and impacted files

@@           Coverage Diff           @@
##              dev   #15388   +/-   ##
=======================================
  Coverage   89.28%   89.29%           
=======================================
  Files         620      620           
  Lines       38065    38065           
  Branches     7503     7547   +44     
=======================================
+ Hits        33987    33989    +2     
+ Misses       1974     1973    -1     
+ Partials     2104     2103    -1     

see 2 files with indirect coverage changes

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