refactor: Regression function naming and unit test #4332

Job	Run time
Checkout / Checkout	3m 56s
Web / Website	1m 5s
BuildAndPackage / BuildLinux (dissolve)	38m 6s
QC / ConventionalCommits	2s
BuildAndPackage / Build (macos-latest)	25m 52s
BuildAndPackage / BuildLinux (dissolve-gui)	56m 49s
BuildAndPackage / Build (windows-latest)	43m 4s
QC / Formatting	7m 40s
CleanCache / CleanUpCache	4s
	2h 56m 38s

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