When trying to connect to Oracle JDBC connection ( in our case 12.2)
you may see an error
Testing failed: invalid connection properties setting.
No suitable driver
This indicates that you do not have the appropriate driver loaded into the gateway for the current configuration you are trying to implement.
or our URI is not configured for the driver you have on the gateway
The following KB will be useful for installing a driver on gateway
or edit your JDBC URL to look like this
in our case we had
once we added thin it worked