Add more tests and add back validation for some agents #2635

Job	Run time
CLI End to End tests	10m 1s
CLI End to End tests	10m 1s
End to End tests (Python, python)	22m 35s
End to End tests (Python, python)	22m 35s
End to End tests (Other, other)	20m 31s
End to End tests (Other, other)	20m 31s
Unit tests (Runtime)	9m 13s
Unit tests (Runtime)	9m 13s
Unit tests (Runtime IT)	20m 25s
Unit tests (Runtime IT)	20m 25s
Unit tests (Deployer)	10m 17s
Unit tests (Deployer)	10m 17s
Unit tests (Api Gateway)	6m 35s
Unit tests (Api Gateway)	6m 56s
Unit tests (Control plane)	6m 42s
Unit tests (Control plane)	6m 42s
Unit tests (Other)	14m 16s
Unit tests (Other)	14m 16s
Unit tests (Style)	6m 25s
Unit tests (Style)	6m 25s
	4h 14m 21s

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