FileUnmanagedDeleteRecursiveTest::testDirectory in core/modules/simpletest/tests/file.test

Try deleting a directory with some files.

FileUnmanagedDeleteRecursiveTest::testEmptyDirectory in core/modules/simpletest/tests/file.test

Try deleting an empty directory.

FileUnmanagedDeleteRecursiveTest::testSubDirectory in core/modules/simpletest/tests/file.test

Try deleting subdirectories with some files.

FileUnmanagedDeleteTest::testDirectory in core/modules/simpletest/tests/file.test

Try deleting a directory.