[Alternative] Use direct check to avoid redeclare function isPHPStanTestPreloaded() #31762

Job	Run time
End to end test - e2e/applied-auto-import	21s
End to end test - e2e/applied-rule-change-docblock	23s
End to end test - e2e/applied-polyfill-php80	27s
End to end test - e2e/applied-rule-return-array-nodes	16s
End to end test - e2e/no-parallel-reflection-resolver	23s
End to end test - e2e/invalid-paths	17s
End to end test - e2e/applied-rule-removed-node	24s
End to end test - e2e/only-option-quote-double-equalnone	23s
End to end test - e2e/different-path-over-skip-config	19s
End to end test - e2e/only-option	16s
End to end test - e2e/print-new-node	14s
End to end test - e2e/parallel-reflection-resolver	23s
End to end test - e2e/parallel-kaizen-applied-rules	19s
End to end test - e2e/parallel-custom-config	25s
End to end test - e2e/only-option-quote-single-equalnone	23s
End to end test - e2e/only-option-quote-single	25s
End to end test - e2e/parallel with space	25s
End to end test - e2e/only-option-quote-single-bsdouble	22s
	6m 25s

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