IWF-750: Fix testRPCLocking

[samuel27m]

Description

Checklist

• Code compiles correctly
• Tests for the changes have been added
• All tests passing
• This PR change is backwards-compatible
• This PR CONTAINS a (planned) breaking change (it is NOT backwards-compatible)

Related Issue

Closes #<issue_number>

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 72.63%. Comparing base (4484a27) to head (8e6c80d).
Report is 22 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #296      +/-   ##
============================================
+ Coverage     72.54%   72.63%   +0.09%     
- Complexity      462      511      +49     
============================================
  Files            70       70              
  Lines          1894     2043     +149     
  Branches        173      199      +26     
============================================
+ Hits           1374     1484     +110     
- Misses          424      437      +13     
- Partials         96      122      +26     

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