job main loop: use the test 'running' attribute

So that multiple test states can be received by the main loop, but
only if the test is finished we break out from the loop.
Signed-off-by: NCleber Rosa <crosa@redhat.com>

avocado/job.py

@@ -124,6 +124,10 @@ class TestRunner(object):
         :param queue: Multiprocess queue.
         :type queue: :class`multiprocessing.Queue` instance.
         """
+        instance = self.load_test(params)
+        queue.put(instance.get_state())
+
+
         def timeout_handler(signum, frame):
             e_msg = "Timeout reached waiting for %s to end" % instance
             raise exceptions.TestTimeoutError(e_msg)
@@ -138,9 +142,6 @@ class TestRunner(object):
                 instance.text_output = log_file_obj.read()
             sys.exit(error_codes.numeric_status['AVOCADO_JOB_INTERRUPTED'])
 
-        instance = self.load_test(params)
-        queue.put(instance.get_state())
-
         signal.signal(signal.SIGUSR1, timeout_handler)
         signal.signal(signal.SIGINT, interrupt_handler)
 
@@ -205,7 +206,8 @@ class TestRunner(object):
 
                     test_state = q.get(timeout=cycle_timeout)
                     if test_state is not None:
-                        break
+                        if not test_state['running']:
+                            break
 
                 except Queue.Empty:
                     if p.is_alive():