--driver=<path> The test file to run on the host (as opposed to the target file to run on the device). By default, this file has the same base name as the target file, but in the "test_driver/" directory instead, and with "_test" inserted just before the extension, so e.g. if the target is "lib/main.dart", the driver will be "test_driver/main_test.dart".

public FilePath Driver { get; set; }