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Add support for Projects in Testing (#25780) #282

Job	Run time
Python Tests (windows-latest, 3.9)	2m 35s
Python Tests (ubuntu-latest, 3.x)	1m 9s
Python Tests (windows-latest, 3.13)	2m 12s
Python Tests (ubuntu-latest, 3.13)	1m 6s
Python Tests (windows-latest, 3.x)	2m 17s
Python Tests (ubuntu-latest, 3.9)	1m 3s
Lint	0s
Check Python types	0s
Set up	0s
Tests	0s
Create VSIX	0s
Smoke tests	0s
	10m 22s

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