Test mismatching testdata #3810

Job	Run time
Compile Scss	1m 29s
Linter	2m 8s
Backup process	3m 9s
Formatting	1m 37s
Build nix environment on MacOS	3m 11s
MyPy	1m 38s
Render Html pages	1m 53s
Test + Coverage	2m 43s
Test (shuffled order)	2m 15s
Test if testdata is up to date	1m 57s
Test Typescript	1m 53s
	23m 53s

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