fixed comment

Author: antonpirker

tests/integrations/clickhouse_driver/test_clickhouse_driver.py

@@ -1,7 +1,7 @@
 """
 Tests need a local clickhouse instance running, this can best be done using
 ```sh
-docker run -d -p 18123:8123 -p9000:9000 --name clickhouse-test --ulimit nofile=262144:262144 --rm clickhouse/clickhouse-server
+docker run -d -p 18123:8123 -p9000:9000 --name clickhouse-test --ulimit nofile=262144:262144 --rm clickhouse
 ```
 """