[TypeDeclarationDocblocks] Cover dummy iterable on UsefulArrayTagNodeAnalyzer #30745

Job	Run time
Preload php-parser Order	25s
PHPStan	1m 32s
Active Classes	28s
Composer Validate	27s
Help and Version	24s
Commented Code	18s
Run with Space in Directory	21s
Compatible PHPStan versions	15s
Finalize classes	22s
Check before/after test fixture on no-changes	26s
Detect composer dependency issues	22s
Check no "*.php" files in rules Fixture directory	20s
	5m 40s

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