RMKv1 Check crashes on test status "SKIP"

[simonmeggle]

Besides of status PASS and FAIL, a test can also have the status SKIP.
In version 1, the check crashes here.

Ways to reproduce a skipped test:

*** Test Cases *** 
Test One
  [Tags]  robot:skip
  Log  this test gets skipped

Test Two
  Skip  msg=Skipping this test.