Fix the parameter order of assertEqual in glanceclient test

On assertEqual, the order of parameters should be (expected, observed).
But, some part of glanceclient test were written with invalid order.
This patch fixes this problem.

Change-Id: I7722fdce766ce3cc5bc9944dc72d7d0af0b09f69
Partially-bug: #1277104

tests/test_utils.py

@@ -34,9 +34,9 @@ class TestUtils(testtools.TestCase):
         size = 98304
         file_obj = six.StringIO('X' * size)
         try:
-            self.assertEqual(utils.get_file_size(file_obj), size)
+            self.assertEqual(size, utils.get_file_size(file_obj))
             # Check that get_file_size didn't change original file position.
-            self.assertEqual(file_obj.tell(), 0)
+            self.assertEqual(0, file_obj.tell())
         finally:
             file_obj.close()
 
@@ -45,9 +45,9 @@ class TestUtils(testtools.TestCase):
         file_obj = six.StringIO('X' * size)
         file_obj.seek(consumed)
         try:
-            self.assertEqual(utils.get_file_size(file_obj), size)
+            self.assertEqual(size, utils.get_file_size(file_obj))
             # Check that get_file_size didn't change original file position.
-            self.assertEqual(file_obj.tell(), consumed)
+            self.assertEqual(consumed, file_obj.tell())
         finally:
             file_obj.close()
 
@@ -77,7 +77,7 @@ class TestUtils(testtools.TestCase):
         finally:
             sys.stdout = saved_stdout
 
-        self.assertEqual(output_list.getvalue(), '''\
+        self.assertEqual('''\
 +-------+--------------+
 | ID    | Name         |
 +-------+--------------+
@@ -85,9 +85,10 @@ class TestUtils(testtools.TestCase):
 | 1     | another      |
 | 65536 | veeeery long |
 +-------+--------------+
-''')
+''',
+                         output_list.getvalue())
 
-        self.assertEqual(output_dict.getvalue(), '''\
+        self.assertEqual('''\
 +----------+--------------------------------------------------------------+
 | Property | Value                                                        |
 +----------+--------------------------------------------------------------+
@@ -96,7 +97,8 @@ class TestUtils(testtools.TestCase):
 |          | eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee |
 |          | ery long value                                               |
 +----------+--------------------------------------------------------------+
-''')
+''',
+                         output_dict.getvalue())
 
     def test_exception_to_str(self):
         class FakeException(Exception):
@@ -104,11 +106,11 @@ class TestUtils(testtools.TestCase):
                 raise UnicodeError()
 
         ret = utils.exception_to_str(Exception('error message'))
-        self.assertEqual(ret, 'error message')
+        self.assertEqual('error message', ret)
 
         ret = utils.exception_to_str(Exception('\xa5 error message'))
-        self.assertEqual(ret, ' error message')
+        self.assertEqual(' error message', ret)
 
         ret = utils.exception_to_str(FakeException('\xa5 error message'))
-        self.assertEqual(ret, "Caught '%(exception)s' exception." %
-                         {'exception': 'FakeException'})
+        self.assertEqual("Caught '%(exception)s' exception." %
+                         {'exception': 'FakeException'}, ret)