Mahmood Ali 7b9d6a3552 tests: ignore empty cgroup ...

My latest Vagrant box contains an empty cgroup name that isn't used for
isolation:

```
$ cat /proc/self/cgroup  | grep ::
0::/user.slice/user-1000.slice/session-17.scope
```

2020-10-01 10:23:13 -04:00

..

driver_pre09.go

drivers: always initialize taskHandle.logger

2019-11-22 10:44:59 -05:00

driver_test.go

tests: ignore empty cgroup

2020-10-01 10:23:13 -04:00

driver_unix_test.go

fix test failures from rebase

2020-06-18 11:05:32 -07:00

driver.go

Task DNS Options (#7661)

2020-06-18 11:01:31 -07:00

handle.go

executor: remove structs package

2018-12-06 20:54:14 -05:00

state.go

Update exec driver to match rawexec

2018-11-08 10:00:49 -08:00