Test commit without any files

Signed-off-by: Michal Čihař <michal@cihar.com>
Remove not needed parethesis

Signed-off-by: Michal Čihař <michal@cihar.com>
Do not use deprecated assertEquals

Signed-off-by: Michal Čihař <michal@cihar.com>
Redirect to project checks if project filtering is enabled

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

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