[O2B-1575] Remove limited waiting time from test

[NarrowsProjects]

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• branch and/or PR name(s) include(s) JIRA ID
• issue has "Fix version" assigned
• issue "Status" is set to "In review"
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Notable changes for users:

• none

Notable changes for developers:

• the wait time was removed for the export button test in runsperlhc overview test

Changes made to the database:

• None

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 45.33%. Comparing base (c4052b4) to head (a055513).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2123   +/-   ##
=======================================
  Coverage   45.33%   45.33%           
=======================================
  Files        1044     1044           
  Lines       17354    17354           
  Branches     3150     3150           
=======================================
  Hits         7867     7867           
  Misses       9487     9487           

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