Change unstable test which gets console output

We don't necessarily get "REBOOT" status of a server because the
state is ephemeral. As the result, the test fails sometimes.
This patch changes the server status from "REBOOT" to "SHUTOFF" for
stable test condition.

Closes-Bug: #1014683
Change-Id: I4b06b148b5d9bceda0cef2d2bb5f3b72325928ac
diff --git a/tempest/api/compute/servers/test_server_actions.py b/tempest/api/compute/servers/test_server_actions.py
index 5fa4c35..af498d7 100644
--- a/tempest/api/compute/servers/test_server_actions.py
+++ b/tempest/api/compute/servers/test_server_actions.py
@@ -266,6 +266,14 @@
         self.assertEqual((backup2, backup3),
                          (image_list[0]['name'], image_list[1]['name']))
 
+    def _get_output(self):
+        resp, output = self.servers_client.get_console_output(
+            self.server_id, 10)
+        self.assertEqual(200, resp.status)
+        self.assertTrue(output, "Console output was empty.")
+        lines = len(output.split('\n'))
+        self.assertEqual(lines, 10)
+
     @attr(type='gate')
     def test_get_console_output(self):
         # Positive test:Should be able to GET the console output
@@ -280,29 +288,24 @@
         self.assertEqual(202, resp.status)
         self.servers_client.wait_for_server_status(self.server_id, 'ACTIVE')
 
-        def get_output():
-            resp, output = self.servers_client.get_console_output(
-                self.server_id, 10)
-            self.assertEqual(200, resp.status)
-            self.assertTrue(output, "Console output was empty.")
-            lines = len(output.split('\n'))
-            self.assertEqual(lines, 10)
-        self.wait_for(get_output)
+        self.wait_for(self._get_output)
 
-    @skip_because(bug="1014683")
     @attr(type='gate')
-    def test_get_console_output_server_id_in_reboot_status(self):
+    def test_get_console_output_server_id_in_shutoff_status(self):
         # Positive test:Should be able to GET the console output
-        # for a given server_id in reboot status
-        resp, output = self.servers_client.reboot(self.server_id, 'SOFT')
-        self.servers_client.wait_for_server_status(self.server_id,
-                                                   'REBOOT')
-        resp, output = self.servers_client.get_console_output(self.server_id,
-                                                              10)
-        self.assertEqual(200, resp.status)
-        self.assertIsNotNone(output)
-        lines = len(output.split('\n'))
-        self.assertEqual(lines, 10)
+        # for a given server_id in SHUTOFF status
+
+        # NOTE: SHUTOFF is irregular status. To avoid test instability,
+        #       one server is created only for this test without using
+        #       the server that was created in setupClass.
+        resp, server = self.create_test_server(wait_until='ACTIVE')
+        temp_server_id = server['id']
+
+        resp, server = self.servers_client.stop(temp_server_id)
+        self.assertEqual(202, resp.status)
+        self.servers_client.wait_for_server_status(temp_server_id, 'SHUTOFF')
+
+        self.wait_for(self._get_output)
 
     @attr(type='gate')
     def test_pause_unpause_server(self):