Fixed test to fail if no image was created. Added check on bounds.
Fixed test to fail if no image was created. Added check on bounds.

uoregon-libraries/rais-image-server,uoregon-libraries/newspaper-jp2-viewer,uoregon-libraries/rais-image-server,uoregon-libraries/newspaper-jp2-viewer,uoregon-libraries/newspaper-jp2-viewer,uoregon-libraries/rais-image-server,uoregon-libraries/rais-image-server