Catalog tests around nonexistent tables + namespaces #7627

Job	Run time
integration-test	10m 47s
integration-test-adls	1m 25s
integration-test-gcs	1m 23s
integration-test-s3	1m 12s
lint-and-unit-test (3.12)	3m 0s
lint-and-unit-test (3.10)	2m 51s
lint-and-unit-test (3.11)	2m 55s
lint-and-unit-test (3.13)	3m 6s
integration-coverage-report	38s
	27m 17s

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