add to tests

Author: seanogdev

tests/events/pull_request_opened.json

@@ -4,10 +4,14 @@
   "pull_request": {
     "body": "This is the body of the PR. https://xxxx.teamwork.com/#/tasks/123 https://xxx.teamwork.com/#/tasks/456",
     "head": {
+      "ref": "pr-branch",
       "repo": {
         "full_name": "teamwork/github-sync"
       }
     },
+    "base": {
+      "ref": "main"
+    },
     "html_url": "https://github.com/teamwork/github-sync/pull/1",
     "title": "This is an example of a title for the PR.",
     "commits": 1,
@@ -18,4 +22,4 @@
   "sender": {
     "login": "username"
   }
-}
+}