Fix code bugs in test automation

This changes fixes:
    - Invalid keyword usage
    - To avoid multiple keywords error with same name
      'Open connection' existing in SSH and SCP library

Resolves openbmc/openbmc-test-automation#85

Change-Id: I1353fe1a615e72d98aab0c33189c5cc1ddc8c5fb
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
2 files changed