Merge "adb: fix abb test." am: fc4e54ec

class AbbTest(DeviceTest):

    def test_smoke(self):

        result = subprocess.run(['adb', 'abb'], capture_output=True)

        self.assertEqual(1, result.returncode)

        expected_output = b"cmd: No service specified; use -l to list all services\n"

        self.assertEqual(expected_output, result.stderr)

        abb = subprocess.run(['adb', 'abb'], capture_output=True)

        cmd = subprocess.run(['adb', 'shell', 'cmd'], capture_output=True)

        # abb squashes all failures to 1.

        self.assertEqual(abb.returncode == 0, cmd.returncode == 0)

        self.assertEqual(abb.stdout, cmd.stdout)

        self.assertEqual(abb.stderr, cmd.stderr)

class ForwardReverseTest(DeviceTest):

    def _test_no_rebind(self, description, direction_list, direction,