- readme = e.readfrom(0, -1)
- self.assertRegexpMatches(readme, r'active-user@arvados\.local')
- self.assertRegexpMatches(readme, r'\n$')
+ readme = e.readfrom(0, -1).decode()
+ assertRegex(self, readme, r'active-user@arvados\.local')
+ assertRegex(self, readme, r'\n$')