add test for block public policy

Signed-off-by: Abhishek Lekshmanan <abhishek@suse.com>
(cherry picked from commit b4516725f2)

s3tests_boto3/functional/test_s3.py

@@ -12649,3 +12649,25 @@ def test_block_public_object_canned_acls():
     eq(status, 403)
 
 
+@attr(resource='bucket')
+@attr(method='put')
+@attr(operation='block public acls on canned acls')
+@attr(assertion='succeeds')
+@attr('policy_status')
+def test_block_public_policy():
+    bucket_name = get_new_bucket()
+    client = get_client()
+
+    access_conf = {'BlockPublicAcls': False,
+                   'IgnorePublicAcls': False,
+                   'BlockPublicPolicy': True,
+                   'RestrictPublicBuckets': False}
+
+    client.put_public_access_block(Bucket=bucket_name, PublicAccessBlockConfiguration=access_conf)
+    resource = _make_arn_resource("{}/{}".format(bucket_name, "*"))
+    policy_document = make_json_policy("s3:GetObject",
+                                       resource)
+
+    check_access_denied(client.put_bucket_policy, Bucket=bucket_name, Policy=policy_document)
+
+