iotests: Replace assertEquals() with assertEqual()

TestCase.assertEquals() is deprecated since Python 2.7. Recent Python
versions print a warning when the function is called, which makes test
cases fail.

Replace it with the preferred spelling assertEqual().

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
diff --git a/tests/qemu-iotests/041 b/tests/qemu-iotests/041
index 3615011..26bf170 100755
--- a/tests/qemu-iotests/041
+++ b/tests/qemu-iotests/041
@@ -469,7 +469,7 @@
             self.assert_qmp(event, 'data/id', 'drive0')
             event = self.vm.get_qmp_event(wait=True)
 
-        self.assertEquals(event['event'], 'BLOCK_JOB_ERROR')
+        self.assertEqual(event['event'], 'BLOCK_JOB_ERROR')
         self.assert_qmp(event, 'data/device', 'drive0')
         self.assert_qmp(event, 'data/operation', 'read')
         result = self.vm.qmp('query-block-jobs')
@@ -494,7 +494,7 @@
             self.assert_qmp(event, 'data/id', 'drive0')
             event = self.vm.get_qmp_event(wait=True)
 
-        self.assertEquals(event['event'], 'BLOCK_JOB_ERROR')
+        self.assertEqual(event['event'], 'BLOCK_JOB_ERROR')
         self.assert_qmp(event, 'data/device', 'drive0')
         self.assert_qmp(event, 'data/operation', 'read')
         result = self.vm.qmp('query-block-jobs')
@@ -625,7 +625,7 @@
         self.assert_qmp(result, 'return', {})
 
         event = self.vm.event_wait(name='BLOCK_JOB_ERROR')
-        self.assertEquals(event['event'], 'BLOCK_JOB_ERROR')
+        self.assertEqual(event['event'], 'BLOCK_JOB_ERROR')
         self.assert_qmp(event, 'data/device', 'drive0')
         self.assert_qmp(event, 'data/operation', 'write')
         result = self.vm.qmp('query-block-jobs')
diff --git a/tests/qemu-iotests/118 b/tests/qemu-iotests/118
index c4f4c21..603e10e 100755
--- a/tests/qemu-iotests/118
+++ b/tests/qemu-iotests/118
@@ -261,7 +261,7 @@
         result = self.vm.qmp('blockdev-close-tray', id=self.device_name)
         # Should be a no-op
         self.assert_qmp(result, 'return', {})
-        self.assertEquals(self.vm.get_qmp_events(wait=False), [])
+        self.assertEqual(self.vm.get_qmp_events(wait=False), [])
 
     def test_remove_on_closed(self):
         if not self.has_real_tray:
@@ -448,7 +448,7 @@
                                                        read_only_mode='retain')
         self.assert_qmp(result, 'error/class', 'GenericError')
 
-        self.assertEquals(self.vm.get_qmp_events(wait=False), [])
+        self.assertEqual(self.vm.get_qmp_events(wait=False), [])
 
         result = self.vm.qmp('query-block')
         self.assert_qmp(result, 'return[0]/inserted/ro', False)
diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index 27bb2b6..d537538 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -581,7 +581,7 @@
     def wait_ready_and_cancel(self, drive='drive0'):
         self.wait_ready(drive=drive)
         event = self.cancel_and_wait(drive=drive)
-        self.assertEquals(event['event'], 'BLOCK_JOB_COMPLETED')
+        self.assertEqual(event['event'], 'BLOCK_JOB_COMPLETED')
         self.assert_qmp(event, 'data/type', 'mirror')
         self.assert_qmp(event, 'data/offset', event['data']['len'])