[FIX] update plot_second_level_association_test.py to show some activation

[Remi-Gau]

• Closes plots in plot_second_level_association_test.py don't show any activation #3979

Changes proposed in this pull request:

• change threshold to show some activation

TODO:

• update text

[github-actions]

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[Remi-Gau]

to match cut coordinates of the previous figure.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (f9bc128) 92.11% compared to head (aaed893) 92.03%.
Report is 26 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4195      +/-   ##
==========================================
- Coverage   92.11%   92.03%   -0.08%     
==========================================
  Files         144      144              
  Lines       16374    16374              
  Branches     3426     3426              
==========================================
- Hits        15083    15070      -13     
- Misses        752      767      +15     
+ Partials      539      537       -2     

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[Remi-Gau]

Note that the title and text in the example should be amended to match.

Before:

https://nilearn.github.io/stable/auto_examples/05_glm_second_level/plot_second_level_association_test.html#sphx-glr-auto-examples-05-glm-second-level-plot-second-level-association-test-py

After:

https://output.circle-artifacts.com/output/job/bd55f80b-382a-463a-8177-d546c45d0a08/artifacts/0/dev/auto_examples/05_glm_second_level/plot_second_level_association_test.html#sphx-glr-auto-examples-05-glm-second-level-plot-second-level-association-test-py

[ymzayek]

Thx @Remi-Gau ! Just a suggestion to compare to the dev docs as well or instead (maybe you did locally :) just to make sure no regressions happened compared to the main branch: https://nilearn.github.io/dev/auto_examples/05_glm_second_level/plot_second_level_association_test.html#sphx-glr-auto-examples-05-glm-second-level-plot-second-level-association-test-py