issue#961

[apahim@hurricane ~]$ cat test.py
#!/usr/bin/python

from avocado import Test
from avocado import main
from test2 import *

class BasicTestSuite(SuperTest):
    """
    :avocado: enable
    """
    def test1(self):
        self.xxx()
        self.assertTrue(True)

if __name__ == '__main__':
    main()
[apahim@hurricane ~]$ cat test2.py
#!/usr/bin/python

from avocado import Test

class SuperTest(Test):
    def xxx(self):
        print "ahoj"
[apahim@hurricane ~]$ avocado run ./test.py
JOB ID     : 56f1f29987d63df2ca4a63edef9a96e07cebb367
JOB LOG    : /home/apahim/avocado/job-results/job-2016-01-18T15.12-56f1f29/job.log
TESTS      : 1
 (1/1) ./test.py:BasicTestSuite.test1: PASS (0.00 s)
RESULTS    : PASS 1 | ERROR 0 | FAIL 0 | SKIP 0 | WARN 0 | INTERRUPT 0
JOB HTML   : /home/apahim/avocado/job-results/job-2016-01-18T15.12-56f1f29/html/results.html
TIME       : 0.00 s
[apahim@hurricane ~]$