move flatten dict key to common utils

So it can easily be used by other testcase to unify result

JIRA: YARDSTICK-702

Change-Id: Id4fde38a9a0c2a87a6c870bdb7b0c8f3a3b371ac
Signed-off-by: rexlee8776 <limingjiang@huawei.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/tests/unit/benchmark/scenarios/networking/test_iperf3.py b/tests/unit/benchmark/scenarios/networking/test_iperf3.py
index 45ff1b779..331245357 100644
--- a/tests/unit/benchmark/scenarios/networking/test_iperf3.py
+++ b/tests/unit/benchmark/scenarios/networking/test_iperf3.py
@@ -19,6 +19,7 @@ import unittest
 import mock
 from oslo_serialization import jsonutils
 
+from yardstick.common import utils
 from yardstick.benchmark.scenarios.networking import iperf3
 
 
@@ -81,7 +82,7 @@ class IperfTestCase(unittest.TestCase):
 
         sample_output = self._read_sample_output(self.output_name_tcp)
         mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '')
-        expected_result = jsonutils.loads(sample_output)
+        expected_result = utils.flatten_dict_key(jsonutils.loads(sample_output))
         p.run(result)
         self.assertEqual(result, expected_result)
 
@@ -100,7 +101,7 @@ class IperfTestCase(unittest.TestCase):
 
         sample_output = self._read_sample_output(self.output_name_tcp)
         mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '')
-        expected_result = jsonutils.loads(sample_output)
+        expected_result = utils.flatten_dict_key(jsonutils.loads(sample_output))
         p.run(result)
         self.assertEqual(result, expected_result)
 
@@ -135,7 +136,7 @@ class IperfTestCase(unittest.TestCase):
 
         sample_output = self._read_sample_output(self.output_name_udp)
         mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '')
-        expected_result = jsonutils.loads(sample_output)
+        expected_result = utils.flatten_dict_key(jsonutils.loads(sample_output))
         p.run(result)
         self.assertEqual(result, expected_result)