added missing unit test for functions in dynamicconfig/config.go #911

	name: Workflow for Codecov integration
	on: [push, pull_request]
	jobs:
	codecov:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: 1.20.x
	cache: false

	- name: Download dependencies
	run: go mod download

	- name: Test and generate coverage report
	run: make cover_profile

	- name: Upload coverage reports to Codecov
	uses: codecov/[email protected] # https://github.com/codecov/codecov-action
	with:
	file: .build/coverage/unit_cover.out
	exclude: ./
	token: ${{ secrets.CODECOV_TOKEN }}
	slug: uber/cadence

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