Nicolas Cellier uploaded a new version of GraphicsTests to project The Trunk:
http://source.squeak.org/trunk/GraphicsTests-ct.56.mcz

==================== Summary ====================

Name: GraphicsTests-ct.56
Author: ct
Time: 17 September 2020, 1:06:30.897813 pm
UUID: 31ca4fe7-71ba-2d4e-9578-06cb5b8f3a8a
Ancestors: GraphicsTests-pre.55

Adds regression test for Graphics-ct.439 (Color >> #negated).

=============== Diff against GraphicsTests-pre.55 ===============

Item was added:
+ ----- Method: ColorTest>>testNegated (in category 'tests') -----
+ testNegated
+ 
+ 	self assert: Color blue equals: Color yellow negated.
+ 	self assert: (Color blue alpha: 0.4) equals: (Color yellow alpha: 0.4) negated.!