Withdraw Money User Story

[eshwarhs]

As a bank account holder, I want to withdraw money from my account.

Acceptance Criteria:

Scenario 1: Successful Withdrawal

Given a user has an existing account with sufficient funds,
When he requests to withdraw an amount,
Then the account balance should be decreased by the withdrawn amount.

Scenario 2: Insufficient Funds

Given a user attempts to withdraw more money than the account balance,
When he requests to withdraw an amount,
Then the system should reject the request and return an error message.

Scenario 3: Invalid Withdrawal Amount

Given a user attempts to withdraw a negative amount,
When he requests to withdraw an amount,
Then the withdrawal has to be rejected with an error message.

Scenario 4: Invalid account

Given a user attempts to withdraw money from an invalid account,
When he requests to withdraw an amount,
Then the withdrawal has to be rejected with an error message.