ignore: Remove waits from blocking threads reading spill files

[andygrove]

Which issue does this PR close?

N/A

Rationale for this change

Allow us to test Comet with the proposed spilling changes in apache/datafusion#15654

What changes are included in this PR?

How are these changes tested?

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 58.96%. Comparing base (f09f8af) to head (fa43fcf).
Report is 137 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1629      +/-   ##
============================================
+ Coverage     56.12%   58.96%   +2.84%     
- Complexity      976     1067      +91     
============================================
  Files           119      125       +6     
  Lines         11743    12532     +789     
  Branches       2251     2344      +93     
============================================
+ Hits           6591     7390     +799     
+ Misses         4012     3974      -38     
- Partials       1140     1168      +28     

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