Fix intermittent unittest error and valgrind

[skyfroxl]

Summary: Fix intermittent unittest error and valgrind
Type: Fix
Test Plan: Unittests.
Jira: NO-JIRA

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Pull request must be merged with a description containing the required fields,

Summary:
Type: Feature/Fix/Cleanup
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Coverage statistics of your commit:
Lines coverage stays unchanged and is: 94.7%
Functions coverage stays unchanged and is: 98.1%

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https://jenkinsrdkm.cmf.code.rdkcentral.com/job/github-triggered/13845/ started

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[github-actions]

Coverage statistics of your commit:
Lines coverage stays unchanged and is: 94.7%
Functions coverage stays unchanged and is: 98.1%

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https://jenkinsrdkm.cmf.code.rdkcentral.com/job/build-component-platform/20344/ started.

[rdkcmf-jenkins]

Sanity tests for ['BCM Reference Refapp2'] added.
https://jenkinsrdkm.cmf.code.rdkcentral.com/job/test-components-flow/39377/