def test_headers_get_prefixes():
"""
Insert docstring here
"""
expected_prefixes = ['Title', 'Timestamp', 'Last Accessed',
'Times Accessed', 'Tags', 'Metadata']
# Instantiate mock objects
title_header = Mock(['get_prefix'], name='title_header')
timestamp_header = Mock(['get_prefix'], name='timestamp_header')
last_accessed_header = Mock(['get_prefix'], name='last_accessed_header')
times_accessed_header = Mock(['get_prefix'], name='times_accessed_header')
tags_header = Mock(['get_prefix'], name='tags_header')
metadata_header = Mock(['get_prefix'], name='metadata_header')
# Set what is returned by the method get_prefix
title_header.get_prefix.return_value = 'Title'
timestamp_header.get_prefix.return_value = 'Timestamp'
last_accessed_header.get_prefix.return_value = 'Last Accessed'
times_accessed_header.get_prefix.return_value = 'Times Accessed'
tags_header.get_prefix.return_value = 'Tags'
metadata_header.get_prefix.return_value = 'Metadata'
# Instantiate object under tests (headers)
headers = Headers(title_header, timestamp_header, last_accessed_header,
times_accessed_header, tags_header, metadata_header)
assert(headers.get_prefixes() == expected_prefixes)
