{"action":"created","comment":{"url":"https://api.github.com/repos/edx/credentials/pulls/comments/48721050","id":48721050,"diff_hunk":"@@ -373,3 +336,118 @@ def test_create_with_non_existing_credential(self):\n             l.check((LOGGER_NAME_SERIALIZER, 'ERROR', msg))\n \n         self.assertEqual(response.status_code, 400)\n+\n+    def test_reissue_the_user_credentials(self):\n+        \"\"\" Verify that, if a user has already been issued a credential, further\n+        attempts to issue the same credential will NOT create a new credential.\n+        But it's attributes will modify if provided.\n+        \"\"\"\n+        username = 'user2'\n+        attributes = [\n+            {\"namespace\": \"whitelist\", \"name\": \"Program whitelist user\", \"value\": \"Reason for whitelisting.\"},\n+            {\"namespace\": \"grade\", \"name\": \"Final grade\", \"value\": \"80.50\"}\n+        ]\n+\n+        data = {\n+            \"username\": username,\n+            \"credential\": {\n+    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