[RISCV] Adjust test case to show wrong stride. NFC
See https://github.com/llvm/llvm-project/pull/82506#discussion_r1498080785
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1eeeab82
See https://github.com/llvm/llvm-project/pull/82506#discussion_r1498080785
mentioned in commit a9d4ed71
·mentioned in commit a9d4ed71