In my case, I used the file in listing 4 to seed the database before running my component tests and then used the same file to indicate which data to delete from the database upon test completion.
For example, to unit test an object that USES a database, it may be burdensome to install, configure, and seed a local copy of the database, run your tests, then tear the local database down again.
Relevant essential factors in the production of an encapsulated grain fertilizer (similar to seed manure) are ascertained through formulation, field test and laboratory experiments.