VirtualFile (@Nullable Module module, @Nullable String rootPath, boolean addProjectRoots, @NotNull TemporaryDirectory temporaryDirectory) { Path dir = temporaryDirectory.newPath(); try { Files.createDirectories(dir); } catch (IOException e) { throw new UncheckedIOException(e); } return HeavyTestHelper.createTestProjectStructure(module, rootPath, dir, addProjectRoots); }