Fix regression of CLUSTER RESET command in redis 7.0.
cluster reset command format is:
CLUSTER RESET [ HARD | SOFT]
According to the cluster reset command doc and codes, the third argument is optional, so
the arity in json file should be -2 instead of 3.
Add test to verify future regressions with RESET and RESET SOFT that were not covered.
Co-authored-by: Ubuntu <lucas.guang.yang1@huawei.com>
Co-authored-by: Oran Agra <oran@redislabs.com>
Co-authored-by: Binbin <binloveplay1314@qq.com>
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