test/redis/README.md suggests that when running "pytest" the default is to connect
to a local redis on localhost:6379. This default was recently lost when options
were added to use a different host and port. It's still good to have the default
suggested in README.md.
It also makes it easier to run the tests against the standard redis, which by
default runs on localhost:6379 - by just running "pytest".
Signed-off-by: Nadav Har'El <nyh@scylladb.com>
Message-Id: <20200825195143.124429-1-nyh@scylladb.com>
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