Revert "Increase sleep in memory profile test from 0.1 -> 0.15"

[berland]

This reverts commit 98576cc.

Changing the sleep time affects the rate of memory allocation, which the assert further down depends on.

Issue
Resolves #my_issue

Approach
Short description of the approach

(Screenshot of new behavior in GUI if applicable)

• PR title captures the intent of the changes, and is fitting for release notes.
• Added appropriate release note label
• Commit history is consistent and clean, in line with the contribution guidelines.
• Make sure unit tests pass locally after every commit (git rebase -i main --exec 'pytest tests/ert/unit_tests -n logical -m "not integration_test"')

When applicable

• When there are user facing changes: Updated documentation
• New behavior or changes to existing untested code: Ensured that unit tests are added (See Ground Rules).
• Large PR: Prepare changes in small commits for more convenient review
• Bug fix: Add regression test for the bug
• Bug fix: Create Backport PR to latest release

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.75%. Comparing base (66aa073) to head (b0bf86f).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9129      +/-   ##
==========================================
+ Coverage   90.72%   90.75%   +0.03%     
==========================================
  Files         350      350              
  Lines       21800    21800              
==========================================
+ Hits        19777    19785       +8     
+ Misses       2023     2015       -8     

Flag	Coverage Δ
cli-tests	39.02% <ø> (ø)
gui-tests	71.69% <ø> (-0.03%)	⬇️
performance-tests	49.26% <ø> (-0.04%)	⬇️
unit-tests	79.61% <ø> (+0.03%)	⬆️

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