fix(interactive): Fix flex interactive api test

[zhanglei1949]

Fix flex interactive api test, also refine the workflow.

Fix #4395

[github-actions]

Please check the preview of the documentation changes at
https://bcfff40a.graphscope-docs-preview.pages.dev

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 58.78%. Comparing base (06d254c) to head (52dbd8c).
Report is 3 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #4401       +/-   ##
===========================================
+ Coverage   34.33%   58.78%   +24.44%     
===========================================
  Files         126       12      -114     
  Lines       13257      592    -12665     
===========================================
- Hits         4552      348     -4204     
+ Misses       8705      244     -8461     

see 126 files with indirect coverage changes

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