diff --git a/hivemind/tavern/condenser_api_patterns/get_blog.pat.json b/hivemind/tavern/condenser_api_patterns/get_blog.pat.json
index 12e46ecb155973b0046c3e1c6bf3eef77667efa1..bb18b56d512bc1c7ed6eb3ee161407874e23ae6a 100644
--- a/hivemind/tavern/condenser_api_patterns/get_blog.pat.json
+++ b/hivemind/tavern/condenser_api_patterns/get_blog.pat.json
@@ -621,7 +621,7 @@
       "created": "2016-03-30T18:30:18",
       "curator_payout_value": "0.756 HBD",
       "depth": 0,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-24T19:59:42",
       "last_update": "2016-03-30T18:30:18",
       "max_accepted_payout": "1000000.000 HBD",
diff --git a/hivemind/tavern/condenser_api_patterns/get_blog_limit_100.pat.json b/hivemind/tavern/condenser_api_patterns/get_blog_limit_100.pat.json
index 9b916552fac57de583a0c41b2b468b56ccde9e6b..9ee8198d192a69b421010bc73d330571abdc2a4c 100644
--- a/hivemind/tavern/condenser_api_patterns/get_blog_limit_100.pat.json
+++ b/hivemind/tavern/condenser_api_patterns/get_blog_limit_100.pat.json
@@ -621,7 +621,7 @@
       "created": "2016-03-30T18:30:18",
       "curator_payout_value": "0.756 HBD",
       "depth": 0,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-24T19:59:42",
       "last_update": "2016-03-30T18:30:18",
       "max_accepted_payout": "1000000.000 HBD",
diff --git a/hivemind/tavern/condenser_api_patterns/get_comment_discussions_by_payout_limit_100.pat.json b/hivemind/tavern/condenser_api_patterns/get_comment_discussions_by_payout_limit_100.pat.json
index ac80719cf9ee2b54c4494375f7cd5f2e33cdaf68..4a758b80872b2624ca4ac1f1f7bc740bb2251fce 100644
--- a/hivemind/tavern/condenser_api_patterns/get_comment_discussions_by_payout_limit_100.pat.json
+++ b/hivemind/tavern/condenser_api_patterns/get_comment_discussions_by_payout_limit_100.pat.json
@@ -251,7 +251,7 @@
     "created": "2016-09-15T19:02:51",
     "curator_payout_value": "0.000 HBD",
     "depth": 1,
-    "json_metadata": "{}",
+    "json_metadata": "",
     "last_payout": "1969-12-31T23:59:59",
     "last_update": "2016-09-15T19:02:51",
     "max_accepted_payout": "1000000.000 HBD",
@@ -607,7 +607,7 @@
     "created": "2016-08-22T19:16:33",
     "curator_payout_value": "0.000 HBD",
     "depth": 1,
-    "json_metadata": "{}",
+    "json_metadata": "",
     "last_payout": "1969-12-31T23:59:59",
     "last_update": "2016-08-22T19:16:33",
     "max_accepted_payout": "1000000.000 HBD",
@@ -721,7 +721,7 @@
     "created": "2016-09-11T12:22:21",
     "curator_payout_value": "0.000 HBD",
     "depth": 4,
-    "json_metadata": "{}",
+    "json_metadata": "",
     "last_payout": "1969-12-31T23:59:59",
     "last_update": "2016-09-11T12:22:21",
     "max_accepted_payout": "1000000.000 HBD",
@@ -1025,7 +1025,7 @@
     "created": "2016-08-26T05:01:15",
     "curator_payout_value": "0.000 HBD",
     "depth": 1,
-    "json_metadata": "{}",
+    "json_metadata": "",
     "last_payout": "1969-12-31T23:59:59",
     "last_update": "2016-08-26T05:01:15",
     "max_accepted_payout": "1000000.000 HBD",
@@ -2913,7 +2913,7 @@
     "created": "2016-09-11T08:46:45",
     "curator_payout_value": "0.000 HBD",
     "depth": 2,
-    "json_metadata": "{}",
+    "json_metadata": "",
     "last_payout": "1969-12-31T23:59:59",
     "last_update": "2016-09-11T08:46:45",
     "max_accepted_payout": "1000000.000 HBD",
@@ -2975,7 +2975,7 @@
     "created": "2016-09-11T08:39:51",
     "curator_payout_value": "0.000 HBD",
     "depth": 2,
-    "json_metadata": "{}",
+    "json_metadata": "",
     "last_payout": "1969-12-31T23:59:59",
     "last_update": "2016-09-11T08:39:51",
     "max_accepted_payout": "1000000.000 HBD",
@@ -3006,7 +3006,7 @@
     "created": "2016-09-11T08:36:30",
     "curator_payout_value": "0.000 HBD",
     "depth": 2,
-    "json_metadata": "{}",
+    "json_metadata": "",
     "last_payout": "1969-12-31T23:59:59",
     "last_update": "2016-09-11T08:36:30",
     "max_accepted_payout": "1000000.000 HBD",
@@ -3285,7 +3285,7 @@
     "created": "2016-09-11T08:21:42",
     "curator_payout_value": "0.000 HBD",
     "depth": 2,
-    "json_metadata": "{}",
+    "json_metadata": "",
     "last_payout": "1969-12-31T23:59:59",
     "last_update": "2016-09-11T08:21:42",
     "max_accepted_payout": "1000000.000 HBD",
@@ -3378,7 +3378,7 @@
     "created": "2016-09-11T07:25:45",
     "curator_payout_value": "0.000 HBD",
     "depth": 2,
-    "json_metadata": "{}",
+    "json_metadata": "",
     "last_payout": "1969-12-31T23:59:59",
     "last_update": "2016-09-11T07:25:45",
     "max_accepted_payout": "1000000.000 HBD",
diff --git a/hivemind/tavern/condenser_api_patterns/get_content.pat.json b/hivemind/tavern/condenser_api_patterns/get_content.pat.json
index 9ab77365bca2d8ccbdf5544b9b18aa78ed5c175b..f477d1e8c87d425d021c991bfad35ac22e061c60 100644
--- a/hivemind/tavern/condenser_api_patterns/get_content.pat.json
+++ b/hivemind/tavern/condenser_api_patterns/get_content.pat.json
@@ -618,7 +618,7 @@
   "created": "2016-03-30T18:30:18",
   "curator_payout_value": "0.756 HBD",
   "depth": 0,
-  "json_metadata": "{}",
+  "json_metadata": "",
   "last_payout": "2016-08-24T19:59:42",
   "last_update": "2016-03-30T18:30:18",
   "max_accepted_payout": "1000000.000 HBD",
diff --git a/hivemind/tavern/condenser_api_patterns/get_discussions_by_author_before_date.pat.json b/hivemind/tavern/condenser_api_patterns/get_discussions_by_author_before_date.pat.json
index 7954c8ddaf8092ab73735f912e6807931786919a..1075dfdcd1baebef54970a81b00dd22a90660aa3 100644
--- a/hivemind/tavern/condenser_api_patterns/get_discussions_by_author_before_date.pat.json
+++ b/hivemind/tavern/condenser_api_patterns/get_discussions_by_author_before_date.pat.json
@@ -619,7 +619,7 @@
     "created": "2016-03-30T18:30:18",
     "curator_payout_value": "0.756 HBD",
     "depth": 0,
-    "json_metadata": "{}",
+    "json_metadata": "",
     "last_payout": "2016-08-24T19:59:42",
     "last_update": "2016-03-30T18:30:18",
     "max_accepted_payout": "1000000.000 HBD",
diff --git a/hivemind/tavern/condenser_api_patterns/get_discussions_by_author_before_date_no_results.pat.json b/hivemind/tavern/condenser_api_patterns/get_discussions_by_author_before_date_no_results.pat.json
index 6dd19021a9c9352a666ab52263e1f999ac956d7d..b4c4306427ef309be7878dc6f7ee7d4ec53947ad 100644
--- a/hivemind/tavern/condenser_api_patterns/get_discussions_by_author_before_date_no_results.pat.json
+++ b/hivemind/tavern/condenser_api_patterns/get_discussions_by_author_before_date_no_results.pat.json
@@ -619,7 +619,7 @@
     "created": "2016-03-30T18:30:18",
     "curator_payout_value": "0.756 HBD",
     "depth": 0,
-    "json_metadata": "{}",
+    "json_metadata": "",
     "last_payout": "2016-08-24T19:59:42",
     "last_update": "2016-03-30T18:30:18",
     "max_accepted_payout": "1000000.000 HBD",
diff --git a/hivemind/tavern/condenser_api_patterns/get_discussions_by_blog.pat.json b/hivemind/tavern/condenser_api_patterns/get_discussions_by_blog.pat.json
index 7954c8ddaf8092ab73735f912e6807931786919a..1075dfdcd1baebef54970a81b00dd22a90660aa3 100644
--- a/hivemind/tavern/condenser_api_patterns/get_discussions_by_blog.pat.json
+++ b/hivemind/tavern/condenser_api_patterns/get_discussions_by_blog.pat.json
@@ -619,7 +619,7 @@
     "created": "2016-03-30T18:30:18",
     "curator_payout_value": "0.756 HBD",
     "depth": 0,
-    "json_metadata": "{}",
+    "json_metadata": "",
     "last_payout": "2016-08-24T19:59:42",
     "last_update": "2016-03-30T18:30:18",
     "max_accepted_payout": "1000000.000 HBD",
diff --git a/hivemind/tavern/condenser_api_patterns/get_discussions_by_comments.pat.json b/hivemind/tavern/condenser_api_patterns/get_discussions_by_comments.pat.json
index f0cc63d8e111de53340b2020c048aed9083f76a3..e58f0c1b584d619dbec55f9d523470d9248370a3 100644
--- a/hivemind/tavern/condenser_api_patterns/get_discussions_by_comments.pat.json
+++ b/hivemind/tavern/condenser_api_patterns/get_discussions_by_comments.pat.json
@@ -73,7 +73,7 @@
     "created": "2016-03-30T19:52:30",
     "curator_payout_value": "0.000 HBD",
     "depth": 1,
-    "json_metadata": "{}",
+    "json_metadata": "",
     "last_payout": "2016-08-24T19:59:42",
     "last_update": "2016-03-30T19:52:30",
     "max_accepted_payout": "1000000.000 HBD",
diff --git a/hivemind/tavern/condenser_api_patterns/get_replies_by_last_update.pat.json b/hivemind/tavern/condenser_api_patterns/get_replies_by_last_update.pat.json
index f0cc63d8e111de53340b2020c048aed9083f76a3..e58f0c1b584d619dbec55f9d523470d9248370a3 100644
--- a/hivemind/tavern/condenser_api_patterns/get_replies_by_last_update.pat.json
+++ b/hivemind/tavern/condenser_api_patterns/get_replies_by_last_update.pat.json
@@ -73,7 +73,7 @@
     "created": "2016-03-30T19:52:30",
     "curator_payout_value": "0.000 HBD",
     "depth": 1,
-    "json_metadata": "{}",
+    "json_metadata": "",
     "last_payout": "2016-08-24T19:59:42",
     "last_update": "2016-03-30T19:52:30",
     "max_accepted_payout": "1000000.000 HBD",
diff --git a/hivemind/tavern/condenser_api_patterns/get_state.pat.json b/hivemind/tavern/condenser_api_patterns/get_state.pat.json
index 93a2125c4f3b3aef43b3316d8a5e5ce8ed880242..0dc51aff59f5c32a75a24390294ad00eb985fd2b 100644
--- a/hivemind/tavern/condenser_api_patterns/get_state.pat.json
+++ b/hivemind/tavern/condenser_api_patterns/get_state.pat.json
@@ -637,7 +637,7 @@
       "created": "2016-03-30T18:30:18",
       "curator_payout_value": "0.756 HBD",
       "depth": 0,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-24T19:59:42",
       "last_update": "2016-03-30T18:30:18",
       "max_accepted_payout": "1000000.000 HBD",
diff --git a/hivemind/tavern/database_api_patterns/find_comments.pat.json b/hivemind/tavern/database_api_patterns/find_comments.pat.json
index 81fdf6712c6c4a31fa02e80ecf5a7e8fa4780a99..19095ce140182956bb79dc9b111c76a687231556 100644
--- a/hivemind/tavern/database_api_patterns/find_comments.pat.json
+++ b/hivemind/tavern/database_api_patterns/find_comments.pat.json
@@ -22,7 +22,7 @@
       },
       "depth": 0,
       "id": 1,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-24T19:59:42",
       "last_update": "2016-03-30T18:30:18",
       "max_accepted_payout": {
diff --git a/hivemind/tavern/database_api_patterns/list_comments/by_cashout_time_all_data.pat.json b/hivemind/tavern/database_api_patterns/list_comments/by_cashout_time_all_data.pat.json
index f9cd8fd87e3fcb5752d92dc638072f26cf0733bb..439b8372f979ad1ad975af18fb381dc4f9d176b2 100644
--- a/hivemind/tavern/database_api_patterns/list_comments/by_cashout_time_all_data.pat.json
+++ b/hivemind/tavern/database_api_patterns/list_comments/by_cashout_time_all_data.pat.json
@@ -22,7 +22,7 @@
       },
       "depth": 1,
       "id": 3,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-24T19:59:42",
       "last_update": "2016-03-31T13:54:33",
       "max_accepted_payout": {
diff --git a/hivemind/tavern/database_api_patterns/list_comments/by_cashout_time_future_date.pat.json b/hivemind/tavern/database_api_patterns/list_comments/by_cashout_time_future_date.pat.json
index 0e0c45e8fe1587a365afe34e5f2d7c382d17ea07..6386657117a24517b8fc10c7699a2a191db53c95 100644
--- a/hivemind/tavern/database_api_patterns/list_comments/by_cashout_time_future_date.pat.json
+++ b/hivemind/tavern/database_api_patterns/list_comments/by_cashout_time_future_date.pat.json
@@ -22,7 +22,7 @@
       },
       "depth": 0,
       "id": 1,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-24T19:59:42",
       "last_update": "2016-03-30T18:30:18",
       "max_accepted_payout": {
@@ -71,7 +71,7 @@
       },
       "depth": 1,
       "id": 2,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-24T19:59:42",
       "last_update": "2016-03-30T19:52:30",
       "max_accepted_payout": {
@@ -120,7 +120,7 @@
       },
       "depth": 1,
       "id": 3,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-24T19:59:42",
       "last_update": "2016-03-31T13:54:33",
       "max_accepted_payout": {
diff --git a/hivemind/tavern/database_api_patterns/list_comments/by_permlink.pat.json b/hivemind/tavern/database_api_patterns/list_comments/by_permlink.pat.json
index e7fd3b0a09408ec2e1d077913e93f954c27dc90c..50827611bae24b4799c9ceb23e917735d0459108 100644
--- a/hivemind/tavern/database_api_patterns/list_comments/by_permlink.pat.json
+++ b/hivemind/tavern/database_api_patterns/list_comments/by_permlink.pat.json
@@ -22,7 +22,7 @@
       },
       "depth": 0,
       "id": 1,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-24T19:59:42",
       "last_update": "2016-03-30T18:30:18",
       "max_accepted_payout": {
diff --git a/hivemind/tavern/database_api_patterns/list_comments/by_root_no_data.pat.json b/hivemind/tavern/database_api_patterns/list_comments/by_root_no_data.pat.json
index 77dfb00a252b27e510fb3be003a6e9de54390125..e902d59fd821273711450658a2d0192fa6b599e8 100644
--- a/hivemind/tavern/database_api_patterns/list_comments/by_root_no_data.pat.json
+++ b/hivemind/tavern/database_api_patterns/list_comments/by_root_no_data.pat.json
@@ -22,7 +22,7 @@
       },
       "depth": 0,
       "id": 1,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-24T19:59:42",
       "last_update": "2016-03-30T18:30:18",
       "max_accepted_payout": {
@@ -71,7 +71,7 @@
       },
       "depth": 1,
       "id": 2,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-24T19:59:42",
       "last_update": "2016-03-30T19:52:30",
       "max_accepted_payout": {
@@ -120,7 +120,7 @@
       },
       "depth": 1,
       "id": 3,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-24T19:59:42",
       "last_update": "2016-03-31T13:54:33",
       "max_accepted_payout": {
diff --git a/hivemind/tavern/database_api_patterns/list_comments_future_date.pat.json b/hivemind/tavern/database_api_patterns/list_comments_future_date.pat.json
index 58abc90ec5d43cd6562f6239429069a5f3b2b08a..1818d61f4975c7c2e7db0b823fc5c63f75fa0bfb 100644
--- a/hivemind/tavern/database_api_patterns/list_comments_future_date.pat.json
+++ b/hivemind/tavern/database_api_patterns/list_comments_future_date.pat.json
@@ -22,7 +22,7 @@
       },
       "depth": 0,
       "id": 1,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-24T19:59:42",
       "last_update": "2016-03-30T18:30:18",
       "max_accepted_payout": {
@@ -71,7 +71,7 @@
       },
       "depth": 1,
       "id": 2,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-24T19:59:42",
       "last_update": "2016-03-30T19:52:30",
       "max_accepted_payout": {
@@ -120,7 +120,7 @@
       },
       "depth": 1,
       "id": 3,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-24T19:59:42",
       "last_update": "2016-03-31T13:54:33",
       "max_accepted_payout": {
diff --git a/hivemind/tavern/database_api_patterns/list_comments_parent_parent_author.pat.json b/hivemind/tavern/database_api_patterns/list_comments_parent_parent_author.pat.json
index dbc23cf4f88c2dc6d809d0cb9ca68a6d2d1699f7..1b8ee3ba0198dc177d8f423f20a29f1f46c0b1a3 100644
--- a/hivemind/tavern/database_api_patterns/list_comments_parent_parent_author.pat.json
+++ b/hivemind/tavern/database_api_patterns/list_comments_parent_parent_author.pat.json
@@ -22,7 +22,7 @@
       },
       "depth": 1,
       "id": 466556,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-29T05:00:42",
       "last_update": "2016-07-29T15:23:18",
       "max_accepted_payout": {
@@ -71,7 +71,7 @@
       },
       "depth": 1,
       "id": 466695,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-29T05:00:42",
       "last_update": "2016-07-29T15:23:39",
       "max_accepted_payout": {
@@ -120,7 +120,7 @@
       },
       "depth": 1,
       "id": 576972,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-09-02T20:52:12",
       "last_update": "2016-08-03T08:52:45",
       "max_accepted_payout": {
@@ -218,7 +218,7 @@
       },
       "depth": 1,
       "id": 488825,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-30T01:59:27",
       "last_update": "2016-07-30T13:55:45",
       "max_accepted_payout": {
@@ -267,7 +267,7 @@
       },
       "depth": 1,
       "id": 488826,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-30T01:59:27",
       "last_update": "2016-07-30T13:55:45",
       "max_accepted_payout": {
@@ -463,7 +463,7 @@
       },
       "depth": 1,
       "id": 359805,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-26T00:12:39",
       "last_update": "2016-07-25T22:33:24",
       "max_accepted_payout": {
diff --git a/hivemind/tavern/follow_api_patterns/get_blog.pat.json b/hivemind/tavern/follow_api_patterns/get_blog.pat.json
index 12e46ecb155973b0046c3e1c6bf3eef77667efa1..bb18b56d512bc1c7ed6eb3ee161407874e23ae6a 100644
--- a/hivemind/tavern/follow_api_patterns/get_blog.pat.json
+++ b/hivemind/tavern/follow_api_patterns/get_blog.pat.json
@@ -621,7 +621,7 @@
       "created": "2016-03-30T18:30:18",
       "curator_payout_value": "0.756 HBD",
       "depth": 0,
-      "json_metadata": "{}",
+      "json_metadata": "",
       "last_payout": "2016-08-24T19:59:42",
       "last_update": "2016-03-30T18:30:18",
       "max_accepted_payout": "1000000.000 HBD",
diff --git a/hivemind/tavern/tags_api_patterns/get_discussion.pat.json b/hivemind/tavern/tags_api_patterns/get_discussion.pat.json
index 9ab77365bca2d8ccbdf5544b9b18aa78ed5c175b..f477d1e8c87d425d021c991bfad35ac22e061c60 100644
--- a/hivemind/tavern/tags_api_patterns/get_discussion.pat.json
+++ b/hivemind/tavern/tags_api_patterns/get_discussion.pat.json
@@ -618,7 +618,7 @@
   "created": "2016-03-30T18:30:18",
   "curator_payout_value": "0.756 HBD",
   "depth": 0,
-  "json_metadata": "{}",
+  "json_metadata": "",
   "last_payout": "2016-08-24T19:59:42",
   "last_update": "2016-03-30T18:30:18",
   "max_accepted_payout": "1000000.000 HBD",
diff --git a/hivemind/tavern/tags_api_patterns/get_discussions_by_author_before_date.pat.json b/hivemind/tavern/tags_api_patterns/get_discussions_by_author_before_date.pat.json
index 7954c8ddaf8092ab73735f912e6807931786919a..1075dfdcd1baebef54970a81b00dd22a90660aa3 100644
--- a/hivemind/tavern/tags_api_patterns/get_discussions_by_author_before_date.pat.json
+++ b/hivemind/tavern/tags_api_patterns/get_discussions_by_author_before_date.pat.json
@@ -619,7 +619,7 @@
     "created": "2016-03-30T18:30:18",
     "curator_payout_value": "0.756 HBD",
     "depth": 0,
-    "json_metadata": "{}",
+    "json_metadata": "",
     "last_payout": "2016-08-24T19:59:42",
     "last_update": "2016-03-30T18:30:18",
     "max_accepted_payout": "1000000.000 HBD",
diff --git a/hivemind/tavern/tags_api_patterns/get_discussions_by_blog.pat.json b/hivemind/tavern/tags_api_patterns/get_discussions_by_blog.pat.json
index 7954c8ddaf8092ab73735f912e6807931786919a..1075dfdcd1baebef54970a81b00dd22a90660aa3 100644
--- a/hivemind/tavern/tags_api_patterns/get_discussions_by_blog.pat.json
+++ b/hivemind/tavern/tags_api_patterns/get_discussions_by_blog.pat.json
@@ -619,7 +619,7 @@
     "created": "2016-03-30T18:30:18",
     "curator_payout_value": "0.756 HBD",
     "depth": 0,
-    "json_metadata": "{}",
+    "json_metadata": "",
     "last_payout": "2016-08-24T19:59:42",
     "last_update": "2016-03-30T18:30:18",
     "max_accepted_payout": "1000000.000 HBD",
diff --git a/hivemind/tavern/tags_api_patterns/get_discussions_by_blog/tag_limit.pat.json b/hivemind/tavern/tags_api_patterns/get_discussions_by_blog/tag_limit.pat.json
index 7954c8ddaf8092ab73735f912e6807931786919a..1075dfdcd1baebef54970a81b00dd22a90660aa3 100644
--- a/hivemind/tavern/tags_api_patterns/get_discussions_by_blog/tag_limit.pat.json
+++ b/hivemind/tavern/tags_api_patterns/get_discussions_by_blog/tag_limit.pat.json
@@ -619,7 +619,7 @@
     "created": "2016-03-30T18:30:18",
     "curator_payout_value": "0.756 HBD",
     "depth": 0,
-    "json_metadata": "{}",
+    "json_metadata": "",
     "last_payout": "2016-08-24T19:59:42",
     "last_update": "2016-03-30T18:30:18",
     "max_accepted_payout": "1000000.000 HBD",
diff --git a/hivemind/tavern/tags_api_patterns/get_discussions_by_comments.pat.json b/hivemind/tavern/tags_api_patterns/get_discussions_by_comments.pat.json
index f0cc63d8e111de53340b2020c048aed9083f76a3..e58f0c1b584d619dbec55f9d523470d9248370a3 100644
--- a/hivemind/tavern/tags_api_patterns/get_discussions_by_comments.pat.json
+++ b/hivemind/tavern/tags_api_patterns/get_discussions_by_comments.pat.json
@@ -73,7 +73,7 @@
     "created": "2016-03-30T19:52:30",
     "curator_payout_value": "0.000 HBD",
     "depth": 1,
-    "json_metadata": "{}",
+    "json_metadata": "",
     "last_payout": "2016-08-24T19:59:42",
     "last_update": "2016-03-30T19:52:30",
     "max_accepted_payout": "1000000.000 HBD",
diff --git a/hivemind/tavern/test_database_api_patterns.tavern.yaml b/hivemind/tavern/test_database_api_patterns.tavern.yaml
index a03d5607d976b6b36a9c481f5531e18578878071..8287a6e44fd0eb816db8a1e99ae3ce3ab3dc36f1 100644
--- a/hivemind/tavern/test_database_api_patterns.tavern.yaml
+++ b/hivemind/tavern/test_database_api_patterns.tavern.yaml
@@ -289,8 +289,6 @@ test_name: Hivemind database_api.list_comments patterns test order "by_parent" n
 
 marks:
   - patterntest # first 2 params are required
-  - failing
-  - xfail # title
 
 includes:
   - !include common.yaml