Add test cases to detect invalid version histories

[smarterclayton]

The CVO is reporting history entries back to back that have the same
image and version. Add an integration test to check the status of the
history.

    history:
    - completionTime: null
      image: registry.svc.ci.openshift.org/openshift/origin-release:4.0.0-0.alpha-2019-01-24-174342
      startedTime: 2019-01-24T22:31:00Z
      state: Partial
      version: 4.0.0-0.alpha-2019-01-24-174342
    - completionTime: 2019-01-24T22:31:00Z
      image: registry.svc.ci.openshift.org/openshift/origin-release:4.0.0-0.alpha-2019-01-24-164957
      startedTime: 2019-01-24T22:00:40Z
      state: Completed
      version: 4.0.0-0.alpha-2019-01-24-164957
    - completionTime: 2019-01-24T22:00:40Z
      image: registry.svc.ci.openshift.org/openshift/origin-release:4.0.0-0.alpha-2019-01-24-164957
      startedTime: 2019-01-24T21:59:53Z
      state: Partial
      version: 4.0.0-0.alpha-2019-01-24-164957
    - completionTime: 2019-01-24T21:59:53Z
      image: registry.svc.ci.openshift.org/openshift/origin-release:4.0.0-0.alpha-2019-01-24-174342
      startedTime: 2019-01-24T21:53:09Z
      state: Completed
      version: 4.0.0-0.alpha-2019-01-24-174342
    - completionTime: 2019-01-24T21:53:09Z
      image: registry.svc.ci.openshift.org/openshift/origin-release:4.0.0-0.alpha-2019-01-24-164957
      startedTime: 2019-01-24T21:33:15Z
      state: Completed
      version: 4.0.0-0.alpha-2019-01-24-164957
    - completionTime: 2019-01-24T21:33:15Z
      image: registry.svc.ci.openshift.org/openshift/origin-release:4.0.0-0.alpha-2019-01-24-174342
      startedTime: 2019-01-24T21:08:55Z
      state: Completed
      version: 4.0.0-0.alpha-2019-01-24-174342
    - completionTime: 2019-01-24T21:08:55Z
      image: registry.svc.ci.openshift.org/openshift/origin-release:4.0.0-0.alpha-2019-01-24-174342
      startedTime: 2019-01-24T21:08:00Z
      state: Partial
      version: 4.0.0-0.alpha-2019-01-24-174342
    - completionTime: 2019-01-24T21:08:00Z
      image: registry.svc.ci.openshift.org/openshift/origin-release:4.0.0-0.alpha-2019-01-24-164957
      startedTime: 2019-01-24T20:50:58Z
      state: Completed
      version: 4.0.0-0.alpha-2019-01-24-164957
    - completionTime: 2019-01-24T20:50:58Z
      image: registry.svc.ci.openshift.org/openshift/origin-release@sha256:34550de8e9c2c35ed38e6c6e3733051f17d84c8871cf4b673da6106b06d

[abhinavdahiya]

/lgtm

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: abhinavdahiya, smarterclayton

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