[tests] add known iterable types (#7371) #31435

Job	Run time
End to end test - e2e/invalid-paths	16s
End to end test - e2e/applied-rule-change-docblock	22s
End to end test - e2e/applied-rule-removed-node	20s
End to end test - e2e/applied-auto-import	20s
End to end test - e2e/applied-rule-return-array-nodes	23s
End to end test - e2e/only-option-quote-single-bsdouble	16s
End to end test - e2e/only-option-quote-single	27s
End to end test - e2e/no-parallel-reflection-resolver	18s
End to end test - e2e/different-path-over-skip-config	15s
End to end test - e2e/parallel-custom-config	26s
End to end test - e2e/applied-polyfill-php80	26s
End to end test - e2e/only-option-quote-single-equalnone	25s
End to end test - e2e/parallel-kaizen-applied-rules	24s
End to end test - e2e/only-option	16s
End to end test - e2e/only-option-quote-double-equalnone	19s
End to end test - e2e/parallel with space	19s
End to end test - e2e/parallel-reflection-resolver	15s
End to end test - e2e/print-new-node	25s
	6m 12s

Provide feedback