[YUNIKORN-1855] fix comments

[FrankYang0529]

What is this PR for?

In the test case TestAssignedPod, the comment is // the cached node has no pods assigned, but we do assert.Equal(t, len(cachedNode.Pods), 1).

In the test case TestAddPod, the comment is // assumed pod should no longer be assumed if node changes, but we do assert.Check(t, cache.isAssumedPod(podUID1), "pod is not assumed").

What type of PR is it?

• - Bug Fix
• - Improvement
• - Feature
• - Documentation
• - Hot Fix
• - Refactoring

Todos

• - Task

What is the Jira issue?

https://issues.apache.org/jira/browse/YUNIKORN-1855

How should this be tested?

Screenshots (if appropriate)

Questions:

• - The licenses files need update.
• - There is breaking changes for older versions.
• - It needs documentation.

[codecov]

Codecov Report

Merging #630 (578790c) into master (1e34d5f) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #630   +/-   ##
=======================================
  Coverage   71.02%   71.02%           
=======================================
  Files          50       50           
  Lines        8183     8183           
=======================================
  Hits         5812     5812           
  Misses       2168     2168           
  Partials      203      203           

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[craigcondit]

+1 LGTM.