Prepare for enabling H302 rule(api/image)

Currently H302 rule is ignored by tox. However, this rule should
be enabled. This patch partially fixes this problem to prepare for
H302 rule.

Change-Id: Ieb47937ae222e3ccf8d8c630f344a64db8d256ba
diff --git a/tempest/api/image/v1/test_image_members.py b/tempest/api/image/v1/test_image_members.py
index e6a078e..4cbb62f 100644
--- a/tempest/api/image/v1/test_image_members.py
+++ b/tempest/api/image/v1/test_image_members.py
@@ -14,12 +14,12 @@
 
 
 from tempest.api.image import base
-from tempest.test import attr
+from tempest import test
 
 
 class ImageMembersTest(base.BaseV1ImageMembersTest):
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_add_image_member(self):
         image = self._create_image()
         resp = self.client.add_member(self.alt_tenant_id, image)
@@ -33,7 +33,7 @@
         resp, body = self.alt_img_cli.get_image(image)
         self.assertEqual(200, resp.status)
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_get_shared_images(self):
         image = self._create_image()
         resp = self.client.add_member(self.alt_tenant_id, image)
@@ -48,7 +48,7 @@
         self.assertIn(share_image, images)
         self.assertIn(image, images)
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_remove_member(self):
         image_id = self._create_image()
         resp = self.client.add_member(self.alt_tenant_id, image_id)
diff --git a/tempest/api/image/v1/test_image_members_negative.py b/tempest/api/image/v1/test_image_members_negative.py
index d68ef03..aac63b4 100644
--- a/tempest/api/image/v1/test_image_members_negative.py
+++ b/tempest/api/image/v1/test_image_members_negative.py
@@ -16,26 +16,26 @@
 from tempest.api.image import base
 from tempest.common.utils import data_utils
 from tempest import exceptions
-from tempest.test import attr
+from tempest import test
 
 
 class ImageMembersNegativeTest(base.BaseV1ImageMembersTest):
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_add_member_with_non_existing_image(self):
         # Add member with non existing image.
         non_exist_image = data_utils.rand_uuid()
         self.assertRaises(exceptions.NotFound, self.client.add_member,
                           self.alt_tenant_id, non_exist_image)
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_delete_member_with_non_existing_image(self):
         # Delete member with non existing image.
         non_exist_image = data_utils.rand_uuid()
         self.assertRaises(exceptions.NotFound, self.client.delete_member,
                           self.alt_tenant_id, non_exist_image)
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_delete_member_with_non_existing_tenant(self):
         # Delete member with non existing tenant.
         image_id = self._create_image()
@@ -43,7 +43,7 @@
         self.assertRaises(exceptions.NotFound, self.client.delete_member,
                           non_exist_tenant, image_id)
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_get_image_without_membership(self):
         # Image is hidden from another tenants.
         image_id = self._create_image()
diff --git a/tempest/api/image/v1/test_images_negative.py b/tempest/api/image/v1/test_images_negative.py
index 5695884..66556e0 100644
--- a/tempest/api/image/v1/test_images_negative.py
+++ b/tempest/api/image/v1/test_images_negative.py
@@ -15,30 +15,30 @@
 
 from tempest.api.image import base
 from tempest import exceptions
-from tempest.test import attr
+from tempest import test
 
 
 class CreateDeleteImagesNegativeTest(base.BaseV1ImageTest):
     """Here are negative tests for the deletion and creation of images."""
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_register_with_invalid_container_format(self):
         # Negative tests for invalid data supplied to POST /images
         self.assertRaises(exceptions.BadRequest, self.client.create_image,
                           'test', 'wrong', 'vhd')
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_register_with_invalid_disk_format(self):
         self.assertRaises(exceptions.BadRequest, self.client.create_image,
                           'test', 'bare', 'wrong')
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_delete_image_with_invalid_image_id(self):
         # An image should not be deleted with invalid image id
         self.assertRaises(exceptions.NotFound, self.client.delete_image,
                           '!@$%^&*()')
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_delete_non_existent_image(self):
         # Return an error while trying to delete a non-existent image
 
@@ -46,24 +46,24 @@
         self.assertRaises(exceptions.NotFound, self.client.delete_image,
                           non_existent_image_id)
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_delete_image_blank_id(self):
         # Return an error while trying to delete an image with blank Id
         self.assertRaises(exceptions.NotFound, self.client.delete_image, '')
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_delete_image_non_hex_string_id(self):
         # Return an error while trying to delete an image with non hex id
         image_id = '11a22b9-120q-5555-cc11-00ab112223gj'
         self.assertRaises(exceptions.NotFound, self.client.delete_image,
                           image_id)
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_delete_image_negative_image_id(self):
         # Return an error while trying to delete an image with negative id
         self.assertRaises(exceptions.NotFound, self.client.delete_image, -1)
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_delete_image_id_is_over_35_character_limit(self):
         # Return an error while trying to delete image with id over limit
         self.assertRaises(exceptions.NotFound, self.client.delete_image,
diff --git a/tempest/api/image/v2/test_images.py b/tempest/api/image/v2/test_images.py
index d448c01..ce11911 100644
--- a/tempest/api/image/v2/test_images.py
+++ b/tempest/api/image/v2/test_images.py
@@ -19,7 +19,7 @@
 
 from tempest.api.image import base
 from tempest.common.utils import data_utils
-from tempest.test import attr
+from tempest import test
 
 
 class BasicOperationsImagesTest(base.BaseV2ImageTest):
@@ -27,7 +27,7 @@
     Here we test the basic operations of images
     """
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_register_upload_get_image_file(self):
 
         """
@@ -68,7 +68,7 @@
         self.assertEqual(200, resp.status)
         self.assertEqual(file_content, body)
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_delete_image(self):
         # Deletes an image by image_id
 
@@ -90,7 +90,7 @@
         self.assertEqual(resp.status, 200)
         self.assertNotIn(image_id, images)
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_update_image(self):
         # Updates an image by image_id
 
@@ -176,7 +176,7 @@
                 msg = "Failed to list images by %s" % key
                 self.assertEqual(params[key], image[key], msg)
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_index_no_params(self):
         # Simple test to see all fixture images returned
         resp, images_list = self.client.image_list()
@@ -186,25 +186,25 @@
         for image in self.created_images:
             self.assertIn(image, image_list)
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_list_images_param_container_format(self):
         # Test to get all images with container_format='bare'
         params = {"container_format": "bare"}
         self._list_by_param_value_and_assert(params)
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_list_images_param_disk_format(self):
         # Test to get all images with disk_format = raw
         params = {"disk_format": "raw"}
         self._list_by_param_value_and_assert(params)
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_list_images_param_visibility(self):
         # Test to get all images with visibility = public
         params = {"visibility": "public"}
         self._list_by_param_value_and_assert(params)
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_list_images_param_size(self):
         # Test to get all images by size
         image_id = self.created_images[1]
@@ -215,7 +215,7 @@
         params = {"size": image['size']}
         self._list_by_param_value_and_assert(params)
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_list_images_param_min_max_size(self):
         # Test to get all images with size between 2000 to 3000
         image_id = self.created_images[1]
@@ -234,13 +234,13 @@
                             image_size <= params['size_max'],
                             "Failed to get images by size_min and size_max")
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_list_images_param_status(self):
         # Test to get all active images
         params = {"status": "active"}
         self._list_by_param_value_and_assert(params)
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_list_images_param_limit(self):
         # Test to get images by limit
         params = {"limit": 2}
@@ -250,7 +250,7 @@
         self.assertEqual(len(images_list), params['limit'],
                          "Failed to get images by limit")
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_get_image_schema(self):
         # Test to get image schema
         schema = "image"
@@ -258,7 +258,7 @@
         self.assertEqual(200, resp.status)
         self.assertEqual("image", body['name'])
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_get_images_schema(self):
         # Test to get images schema
         schema = "images"
diff --git a/tempest/api/image/v2/test_images_member.py b/tempest/api/image/v2/test_images_member.py
index 530262f..e6c5b61 100644
--- a/tempest/api/image/v2/test_images_member.py
+++ b/tempest/api/image/v2/test_images_member.py
@@ -11,13 +11,13 @@
 #    under the License.
 
 from tempest.api.image import base
-from tempest.test import attr
+from tempest import test
 
 
 class ImagesMemberTest(base.BaseV2MemberImageTest):
     _interface = 'json'
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_image_share_accept(self):
         image_id = self._create_image()
         resp, member = self.os_img_client.add_member(image_id,
@@ -40,7 +40,7 @@
         self.assertEqual(member['image_id'], image_id)
         self.assertEqual(member['status'], 'accepted')
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_image_share_reject(self):
         image_id = self._create_image()
         resp, member = self.os_img_client.add_member(image_id,
@@ -56,7 +56,7 @@
         self.assertEqual(200, resp.status)
         self.assertNotIn(image_id, self._list_image_ids_as_alt())
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_get_image_member(self):
         image_id = self._create_image()
         self.os_img_client.add_member(image_id,
@@ -73,7 +73,7 @@
         self.assertEqual(image_id, member['image_id'])
         self.assertEqual('accepted', member['status'])
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_remove_image_member(self):
         image_id = self._create_image()
         self.os_img_client.add_member(image_id,
diff --git a/tempest/api/image/v2/test_images_member_negative.py b/tempest/api/image/v2/test_images_member_negative.py
index 4c7cc5a..98ef649 100644
--- a/tempest/api/image/v2/test_images_member_negative.py
+++ b/tempest/api/image/v2/test_images_member_negative.py
@@ -12,13 +12,13 @@
 
 from tempest.api.image import base
 from tempest import exceptions
-from tempest.test import attr
+from tempest import test
 
 
 class ImagesMemberNegativeTest(base.BaseV2MemberImageTest):
     _interface = 'json'
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_image_share_invalid_status(self):
         image_id = self._create_image()
         resp, member = self.os_img_client.add_member(image_id,
@@ -28,7 +28,7 @@
                           self.alt_img_client.update_member_status,
                           image_id, self.alt_tenant_id, 'notavalidstatus')
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_image_share_owner_cannot_accept(self):
         image_id = self._create_image()
         resp, member = self.os_img_client.add_member(image_id,
diff --git a/tempest/api/image/v2/test_images_negative.py b/tempest/api/image/v2/test_images_negative.py
index b8ba868..27ba39c 100644
--- a/tempest/api/image/v2/test_images_negative.py
+++ b/tempest/api/image/v2/test_images_negative.py
@@ -18,7 +18,7 @@
 
 from tempest.api.image import base
 from tempest import exceptions
-from tempest.test import attr
+from tempest import test
 
 
 class ImagesNegativeTest(base.BaseV2ImageTest):
@@ -35,20 +35,20 @@
         ** delete the deleted image
      """
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_get_non_existent_image(self):
         # get the non-existent image
         non_existent_id = str(uuid.uuid4())
         self.assertRaises(exceptions.NotFound, self.client.get_image,
                           non_existent_id)
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_get_image_null_id(self):
         # get image with image_id = NULL
         image_id = ""
         self.assertRaises(exceptions.NotFound, self.client.get_image, image_id)
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_get_delete_deleted_image(self):
         # get and delete the deleted image
         # create and delete image
@@ -67,27 +67,27 @@
         self.assertRaises(exceptions.NotFound, self.client.delete_image,
                           image_id)
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_delete_non_existing_image(self):
         # delete non-existent image
         non_existent_image_id = str(uuid.uuid4())
         self.assertRaises(exceptions.NotFound, self.client.delete_image,
                           non_existent_image_id)
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_delete_image_null_id(self):
         # delete image with image_id=NULL
         image_id = ""
         self.assertRaises(exceptions.NotFound, self.client.delete_image,
                           image_id)
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_register_with_invalid_container_format(self):
         # Negative tests for invalid data supplied to POST /images
         self.assertRaises(exceptions.BadRequest, self.client.create_image,
                           'test', 'wrong', 'vhd')
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_register_with_invalid_disk_format(self):
         self.assertRaises(exceptions.BadRequest, self.client.create_image,
                           'test', 'bare', 'wrong')
diff --git a/tempest/api/image/v2/test_images_tags.py b/tempest/api/image/v2/test_images_tags.py
index f0e343d..504c0e8 100644
--- a/tempest/api/image/v2/test_images_tags.py
+++ b/tempest/api/image/v2/test_images_tags.py
@@ -14,12 +14,12 @@
 
 from tempest.api.image import base
 from tempest.common.utils import data_utils
-from tempest.test import attr
+from tempest import test
 
 
 class ImagesTagsTest(base.BaseV2ImageTest):
 
-    @attr(type='gate')
+    @test.attr(type='gate')
     def test_update_delete_tags_for_image(self):
         resp, body = self.create_image(container_format='bare',
                                        disk_format='raw',
diff --git a/tempest/api/image/v2/test_images_tags_negative.py b/tempest/api/image/v2/test_images_tags_negative.py
index 0628d29..3233db7 100644
--- a/tempest/api/image/v2/test_images_tags_negative.py
+++ b/tempest/api/image/v2/test_images_tags_negative.py
@@ -17,12 +17,12 @@
 from tempest.api.image import base
 from tempest.common.utils import data_utils
 from tempest import exceptions
-from tempest.test import attr
+from tempest import test
 
 
 class ImagesTagsNegativeTest(base.BaseV2ImageTest):
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_update_tags_for_non_existing_image(self):
         # Update tag with non existing image.
         tag = data_utils.rand_name('tag-')
@@ -30,7 +30,7 @@
         self.assertRaises(exceptions.NotFound, self.client.add_image_tag,
                           non_exist_image, tag)
 
-    @attr(type=['negative', 'gate'])
+    @test.attr(type=['negative', 'gate'])
     def test_delete_non_existing_tag(self):
         # Delete non existing tag.
         resp, body = self.create_image(container_format='bare',