def test_print_data_about_all_disks_info(self):
d = DiskApp()
d.information_level_info()
d.print_data_about_all_disks()
result = sys.stdout.getvalue().strip()
self.assertRegexpMatches(result, '(name)(.*)')
def test_disks_count(self):
d = DiskApp()
self.assertGreater(d.disks_count(), 0, "No disks found.")