Test all Django Job Scheduling Jobs are monitored

Check that all jobs in jobserver.jobs have their `execute` methods
annotated correctly (e.g. `@monitor` but not `@monitor()`)

tests/unit/jobserver/jobs/test_jobs.py

@@ -0,0 +1,20 @@
+import pkgutil
+
+import jobserver.jobs
+
+
+def test_jobs_monitored():
+    for moduleinfo in pkgutil.walk_packages(jobserver.jobs.__path__, "jobserver.jobs."):
+        if len(moduleinfo.name.split(".")) <= 3:
+            continue
+
+        module = pkgutil.resolve_name(moduleinfo.name)
+        job = module.Job
+        execute = job.execute
+
+        # check the monitor decorator is imported
+        assert "monitor" in module.__dict__
+        # check the execute function has been decorated by something using functools.wraps
+        assert "__wrapped__" in execute.__dict__
+        # check the thing that decorated it came from services.sentry
+        assert execute.__globals__["__name__"] == "services.sentry"