Tests

feat!: new `ChatMessage` #15431

Job	Run time
format	14s
check-imports	19s
Unit / ubuntu-latest	1m 58s
Unit / windows-latest	3m 55s
Unit / macos-latest	2m 3s
lint	1m 43s
Integration / ubuntu-latest	3m 12s
Integration / windows-latest	7m 42s
Integration / macos-latest	5m 19s
Tests completed / Mark tests as completed	1s
	26m 26s

Provide feedback