To prepare for more extended functional controller tests, we now
have a dedicated folder for fixture TypoScript setup, allowing us to have
a clear separation between setup and constants.
This method is deprecated. Starting with TYPO3 11LTS,
`executeFrontendSubRequest` should be used.
Co-authored-by: Daniel Siepmann <coding@daniel-siepmann.de>
That way the extension serves as an example on how to use the TYPO3
internal requests provided by the TYPO3 testing framework.
Those can be used as integration tests.
They are also often easier to set up on existing projects and allow to
refactor the code base, compared to functional and unit tests.
Resolves: #859
