def test_donor_list():
'''
Testing our listing function
'''
testing = DonorCollection()
test_list = testing.list_donor()
assert 'Devin Townsand' in test_list
def test_delete_donor():
'''
Testing the delete function
'''
testing = DonorCollection()
testing.delete_donor('JD Cronise')
test_list = testing.list_donor()
assert test_list == ['Chris Stapleton', 'Dave Lombardo', 'Devin Townsand', \
'Randy Blythe', 'Robert Smith']
