click('*-Minefield','btnNewaTab')
Warning: AT-SPI error: getChildCount: Unknown CORBA exception id: 'IDL:omg.org/CORBA/COMM_FAILURE:1.0'
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python2.5/site-packages/ldtp.py", line 1008, in click
    raise LdtpExecutionError (str (msg))
ldtp.LdtpExecutionError: "u'click failed: Window does not exist'"