This avoids confusion with tests named `inventory_*` which do not test inventory plugins.
Tests for inventory scripts are now prefixed with `script_inventory_`.
Improve tests
- add more unit test cases
- add specific integration test with more cases
Testing shows no major downside to calling .strip() twice in a comprehension vs. using a regular for loop and only calling .strip() once. Going with the comprehension for ease of maintenance and because comprehensions are optimized in CPython.