Increase delays a bit to give browser some time to process

Signed-off-by: Michal Čihař <michal@cihar.com>
Use standard method for navigating to table page

Signed-off-by: Michal Čihař <michal@cihar.com>
Consistent sleeping when waiting for browser

Signed-off-by: Michal Čihař <michal@cihar.com>