MySQL: Native configuration
MySQL: Native connection
MySQL: Test different report modes individually
MySQL: Native command execution
MySQL: Use a positive port number to test connection failures

Port 1023 is reserved and not likely to be used on most systems.
MySQL: Relax expectations during connection failure

Error code and message differs between environments (MySQL versions?)
MySQL: Native query execution
MySQL: Test connection options
MySQL: Test constraint violations
Merge branch 'native-mysql' into develop