As raised in #1526, adding an additional example showing how
a user can use the `where` accessor to find commands matching
a pattern and write a test using the results.
Signed-off-by: Adam Leff <adam@leff.co>
The crontab resource parses a particular user's crontab file into
individual entries and allows the user to assert information about
each entry as needed.
Signed-off-by: Adam Leff <adam@leff.co>