Create tests for the attachment class.
Create tests for the attachment class.

Created tests for the attachment class.

InMoji/stapler,CodeSleeve/stapler,AndreasHeiberg/stapler,oschettler/stapler,simudream/stapler,neerajgoyal12/stapler,flaxandteal/stapler,sonuku/stapler,riyan8250/stapler,aozisik/stapler