[DOP-23620] Small doc fixes #1251

Job	Run time
Clickhouse tests / Run Clickhouse tests	8m 15s
MySQL tests / Run MySQL tests	7m 20s
Oracle tests / Run Oracle tests	7m 36s
HDFS tests / Run HDFS tests	10m 58s
S3 tests / Run S3 tests	11m 52s
SFTP tests / Run SFTP tests	7m 5s
FTP tests / Run FTP tests	10m 18s
Samba tests / Run Samba tests	7m 24s
Unit tests / Run unit tests	3m 57s
Hive tests / Run Hive tests	7m 34s
MSSQL tests / Run MSSQL tests	7m 18s
WebDAV tests / Run WebDAV tests	7m 38s
FTPS tests / Run FTPS tests	7m 21s
Scheduler tests / Run Scheduler tests	4m 56s
Tests done	13s
	1h 49m 45s

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