build without output image building from templates should create an image from a docker template without an output image reference defined

[mfojtik]

Seen here: https://openshift-gce-devel.appspot.com/build/origin-ci-test/pr-logs/pull/17627/test_pull_request_origin_extended_conformance_install/3608

/go/src/github.com/openshift/origin/_output/local/go/src/github.com/openshift/origin/test/extended/builds/no_outputname.go:45
Expected
    <bool>: false
to be true
/go/src/github.com/openshift/origin/_output/local/go/src/github.com/openshift/origin/test/extended/builds/no_outputname.go:38

/assign bparees
/priority P1

[bparees]

dev mapper.
#17330

[ewolinetz]

I am hitting this again here: https://ci.openshift.redhat.com/jenkins/job/test_pull_request_openshift_ansible_extended_conformance_install/3597/

• Failure [110.284 seconds]
[Feature:Builds][Conformance] build without output image
/go/src/github.com/openshift/origin/_output/local/go/src/github.com/openshift/origin/test/extended/builds/no_outputname.go:12
  
  /go/src/github.com/openshift/origin/_output/local/go/src/github.com/openshift/origin/test/extended/builds/no_outputname.go:20
    building from templates
    /go/src/github.com/openshift/origin/_output/local/go/src/github.com/openshift/origin/test/extended/builds/no_outputname.go:29
      should create an image from a docker template without an output image reference defined [Suite:openshift/conformance/parallel] [It]
      /go/src/github.com/openshift/origin/_output/local/go/src/github.com/openshift/origin/test/extended/builds/no_outputname.go:32

      Expected
          <bool>: false
      to be true

      /go/src/github.com/openshift/origin/_output/local/go/src/github.com/openshift/origin/test/extended/builds/no_outputname.go:38

[bparees]

still devmapper.

2018-01-05T20:46:06.997406616Z F0105 20:46:06.996910       1 helpers.go:119] error: build error: devmapper: Error mounting '/dev/mapper/docker-202:2-79751976-417af4b116d6111a870105a2275b4389969d6fb34fc7cdf6c58090d3c2102406' on '/var/lib/docker/devicemapper/mnt/417af4b116d6111a870105a2275b4389969d6fb34fc7cdf6c58090d3c2102406': invalid argument

#17330