test(scheduler/resource): add host, peer and task uint tests

[gaius-qi]

Description

This pull request includes several changes to the scheduler/resource/persistentcache package, adding new tests for the Host, Peer, and Task components, and updating dependencies in the go.mod file. The most important changes include the addition of comprehensive test cases for Host, Peer, and Task structs, as well as the inclusion of new dependencies for Redis and Redis mock.

Test Additions:

• scheduler/resource/persistentcache/host_test.go: Added new test cases for the Host struct, including mock data and a test for the NewHost function.
• scheduler/resource/persistentcache/peer_test.go: Added new test cases for the Peer struct, including mock data and a test for the NewPeer function.
• scheduler/resource/persistentcache/task_test.go: Added new test cases for the Task struct, including mock data and tests for the NewTask function and SizeScope method.

Dependency Updates:

• go.mod: Added new dependencies for github.com/go-redis/redis and github.com/go-redis/redismock.

Related Issue

Motivation and Context

Screenshots (if appropriate)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation Update (if none of the other choices apply)

Checklist

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 34.28%. Comparing base (b2105b5) to head (c1608c7).
Report is 13 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3790      +/-   ##
==========================================
+ Coverage   34.20%   34.28%   +0.07%     
==========================================
  Files         337      337              
  Lines       38982    38986       +4     
==========================================
+ Hits        13335    13366      +31     
+ Misses      24806    24775      -31     
- Partials      841      845       +4     

Flag	Coverage Δ
unittests	34.28% <ø> (+0.07%)	⬆️

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see 8 files with indirect coverage changes