state.py bullet-proofing:

- To avoid erring out, switched many run_keyword calls to
  run_keyword_and_ignore_error.
- NOTE: A blank substate value means "unknown" or "unobtainable".

Change-Id: I0a73045815414e595019f6e295565f00e945fbc8
Signed-off-by: Michael Walsh <micwalsh@us.ibm.com>
1 file changed