Keep an explicit JUnit owner when migrating a qualified assertTrue(x instanceof Y) - #1083

No file matched to [/home/runner/work/rewrite-testing-frameworks/rewrite-testing-frameworks/**/*requirements*.txt,/home/runner/work/rewrite-testing-frameworks/rewrite-testing-frameworks/**/*requirements*.in,/home/runner/work/rewrite-testing-frameworks/rewrite-testing-frameworks/**/*constraints*.txt,/home/runner/work/rewrite-testing-frameworks/rewrite-testing-frameworks/**/*constraints*.in,/home/runner/work/rewrite-testing-frameworks/rewrite-testing-frameworks/**/pyproject.toml,/home/runner/work/rewrite-testing-frameworks/rewrite-testing-frameworks/**/uv.lock,/home/runner/work/rewrite-testing-frameworks/rewrite-testing-frameworks/**/*.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.