@Test
void getOutputStream() throws IOException {

    Path path = Paths.get(rootProjectDir.getRoot().toPath().toString(),  "file.file");
    OutputStream stream = FileUtils.INSTANCE.getOutputStream(path.toFile());
    assertNotNull(stream);
    // this is required while running in windows env it' s not possible to delete folders with files inside
    stream.close();
    Files.delete(path);
}