test/: PEP8 compliancy (#24803)

* test/: PEP8 compliancy

- Make PEP8 compliant

* Python3 chokes on casting int to bytes (#24952)

But if we tell the formatter that the var is a number, it works

test/units/modules/cloud/google/test_gce_tag.py

@@ -2,6 +2,7 @@ import unittest
 
 from ansible.modules.cloud.google.gce_tag import _get_changed_items, _intersect_items, _union_items
 
+
 class TestGCETag(unittest.TestCase):
     """Unit tests for gce_tag module."""
 
@@ -29,7 +30,7 @@ class TestGCETag(unittest.TestCase):
         # tags removed
         new_tags = ['one', 'two']
         existing_tags = ['two']
-        want = ['two'] # only remove the tag that was present
+        want = ['two']  # only remove the tag that was present
         got = _intersect_items(existing_tags, new_tags)
         self.assertEqual(want, got)