Tests

test: use covermode set #441

Job	Run time
Build Web UI / Build Treemap WebUI	28s
Tests (ubuntu-latest, unit)	1m 11s
Tests (ubuntu-latest, integration-example)	1m 49s
Tests (ubuntu-latest, integration-real)	3m 53s
Tests (windows-latest, unit)	3m 7s
Tests (windows-latest, integration-example)	2m 57s
Tests (windows-latest, integration-real)	5m 7s
Tests (macos-13, unit)	1m 37s
Tests (macos-13, integration-example)	2m 51s
Tests (macos-13, integration-real)	10m 26s
Tests (macos-14, unit)	1m 28s
Tests (macos-14, integration-example)	2m 13s
Tests (macos-14, integration-real)	3m 45s
Merge results (ubuntu-latest)	2m 4s
Merge results (windows-latest)	2m 1s
Merge results (macos-13)	1m 59s
Merge results (macos-14)	2m 0s
	48m 56s

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