Apply Leave

Action	Expected Result
1) To verify user (Management, Team Leader and Team Members) wants to apply for leave "/leaves apply [Reason] [From Date:DD-MM-YYYY] [End Date: DD-MM-YYYY] [Type] [Re-join Date: DD-MM-YYYY]"	It should allow user (Management, Team Leader and Team Members) to apply for leave.
2) To verify whether the Management and the Team Leader have got the leave application or not	It should allow Team Leader and Management to view the Leave Application.
3) To verify whether the email is been sent to the Team Leader and Management for leave.	It should allow to send a Email to the respective Team Leader and Management.
4) To verify if something wrong has been mistyped or something has been wrong it will display a message "Sorry you can't apply for leave. Either you are not in Promact OAuth or yet u haven't login in Promact-slack server” or “I didn't quite get that. I'm easily confused"	It should allow to send a message when something is been wrong "Sorry you can't apply for leave. Either you are not in Promact OAuth or yet u haven't login in Promact-slack server or I didn't quite get that. I'm easily confused"