Wait until the test corpus is loaded before testing - #402

No file matched to [/home/runner/work/dracor-api/dracor-api/**/*requirements*.txt,/home/runner/work/dracor-api/dracor-api/**/*requirements*.in,/home/runner/work/dracor-api/dracor-api/**/*constraints*.txt,/home/runner/work/dracor-api/dracor-api/**/*constraints*.in,/home/runner/work/dracor-api/dracor-api/**/pyproject.toml,/home/runner/work/dracor-api/dracor-api/**/uv.lock,/home/runner/work/dracor-api/dracor-api/**/*.py.lock]. The cache will never get invalidated. Make sure you have checked out the target repository and configured the cache-dependency-glob input correctly.