tests: fixed some broken tests

rhodecode/apps/repository/tests/test_repo_pullrequests.py

@@ -608,7 +608,7 b' class TestPullrequestsView(object):'
             pull_request.source_repo, pull_request=pull_request)
         assert status == ChangesetStatus.STATUS_REJECTED
 
-        comment_id = response.json.get('comment_id', None)
+        for comment_id in response.json.keys():
         test_text = 'test'
         response = self.app.post(
             route_path(
@@ -644,7 +644,7 b' class TestPullrequestsView(object):'
         )
         assert response.json
 
-        comment_id = response.json.get('comment_id', None)
+        for comment_id in response.json.keys():
         assert comment_id
         test_text = 'test'
         self.app.post(
@@ -684,8 +684,7 b' class TestPullrequestsView(object):'
         )
         assert response.json
 
-        comment_id = response.json.get('comment_id', None)
-        assert comment_id
+        for comment_id in response.json.keys():
         test_text = 'init'
         response = self.app.post(
             route_path(
@@ -722,9 +721,7 b' class TestPullrequestsView(object):'
             extra_environ=xhr_header,
         )
         assert response.json
-        comment_id = response.json.get('comment_id', None)
-        assert comment_id
-
+        for comment_id in response.json.keys():
         test_text = 'test'
         self.app.post(
             route_path(