Test file: SavingsAccountTest.java is not complete (master branch)

[arquillos]

The file: SavingsAccountTest.java is not complete. The last test method is not "done":

`/**

• Customers should not be able to withdraw more than their available savings account balance
• Scenario:
• 1. Given a customer's savings account with an initial balance of $100.00
• 2. When I attempt to withdraw $200.00
• 3. Then an exception should occur indicating that there are insufficient funds in the account
• 4. And the account balance should remain unchanged. */ @Test public void withdrawingAmountGreaterThanBalance_Throws_InsufficientFundsException() throws InsufficientFundsException { `

[aaron-goff]

This was added to chapter5/bankService/SavingsAccountTest.java in #2 but not to chapter4/bankService/SavingsAccountTest.java.

    /**
     *  Customers should not be able to withdraw more than their available savings account balance
     *  Scenario:
     *  1. Given a customer's savings account with an initial balance of $100.00
     *  2. When I attempt to withdraw $200.00
     *  3. Then an exception should occur indicating that there are insufficient funds in the account
     *  4. And the account balance should remain unchanged.
     */
    @Test
    public void withdrawingAmountGreaterThanBalance_Throws_InsufficientFundsException() throws InsufficientFundsException {
       try {
            savings.withdraw(200.00);
            fail("Expected Insufficient Funds Exception but none is thrown");
        } catch (InsufficientFundsException e){
            // Then
            assertEquals(savings.getBalance(), 100.00);
        }
    }
}