Tests

Avoid setting marker opacity twice #7131

Job	Run time
Code Hygiene	2m 16s
Build tests (ubuntu-latest)	3m 39s
Build tests (windows-latest)	5m 20s
Integration tests (ubuntu-latest)	4m 51s
Render tests (ubuntu-latest, 0)	9m 32s
Integration tests (windows-latest)	7m 36s
Unit tests and Coverage	2m 18s
Render tests (ubuntu-latest, 1)	9m 56s
Render tests (ubuntu-latest, 2)	7m 3s
Render tests (windows-latest, 0)	11m 27s
Render tests (windows-latest, 1)	11m 58s
Render tests (windows-latest, 2)	9m 13s
	1h 25m 9s

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