[DeadCode] Allow remove createMock method call on RemoveUnusedVariableAssignRector #29785

Job	Run time
End to end test - e2e/applied-rule-change-docblock	16s
End to end test - e2e/applied-rule-return-array-nodes	13s
End to end test - e2e/no-parallel-reflection-resolver	14s
End to end test - e2e/parallel-custom-config	24s
End to end test - e2e/parallel-reflection-resolver	15s
End to end test - e2e/applied-rule-removed-node	16s
End to end test - e2e/parallel with space	20s
End to end test - e2e/different-path-over-skip-config	18s
End to end test - e2e/invalid-paths	13s
End to end test - e2e/applied-polyfill-php80	14s
End to end test - e2e/print-new-node	15s
End to end test - e2e/only-option	13s
End to end test - e2e/only-option-quote-double-equalnone	15s
End to end test - e2e/only-option-quote-single	21s
End to end test - e2e/only-option-quote-single-bsdouble	14s
End to end test - e2e/only-option-quote-single-equalnone	13s
	4m 14s

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