dockerng.volume_present: Dryrun isn't dry

[rbjorklin]

Description of Issue/Question

Running a state as test=True with dockerng.volume_present creates a volume.

Setup

Create state file as /srv/salt/docker/test.sls

testing-docker-volume:
  dockerng.volume_present:
    - name: test

Steps to Reproduce Issue

salt <insert hostname> state.sls docker.test test=True

Versions Report

$ salt --versions
Salt Version:
           Salt: 2016.3.0

Dependency Versions:
           cffi: Not Installed
       cherrypy: Not Installed
       dateutil: 1.5
          gitdb: Not Installed
      gitpython: Not Installed
          ioflo: Not Installed
         Jinja2: 2.7.2
        libgit2: Not Installed
        libnacl: Not Installed
       M2Crypto: 0.21.1
           Mako: Not Installed
   msgpack-pure: Not Installed
 msgpack-python: 0.4.7
   mysql-python: Not Installed
      pycparser: Not Installed
       pycrypto: 2.6.1
         pygit2: Not Installed
         Python: 2.7.5 (default, Nov 20 2015, 02:00:19)
   python-gnupg: Not Installed
         PyYAML: 3.11
          PyZMQ: 14.7.0
           RAET: Not Installed
          smmap: Not Installed
        timelib: Not Installed
        Tornado: 4.2.1
            ZMQ: 4.0.5

System Versions:
           dist: centos 7.2.1511 Core
        machine: x86_64
        release: 3.10.0-327.13.1.el7.x86_64
         system: Linux
        version: CentOS Linux 7.2.1511 Core

[Ch3LL]

@rbjorklin i'm not seeing the logic in that function to check if test=True similar to the other functions in that module that look for the test argument (if __opts__['test']: We will need to get this logic added and i'll label this is a bug. Thanks!