restore flush() removed in error, remove commented lines

Author: zenmoto

splunklib/modularinput/event_writer.py

@@ -84,3 +84,4 @@ def write_xml_document(self, document):
     def close(self):
         """Write the closing </stream> tag to make this XML well formed."""
         self._out.write("</stream>")
+        self._out.flush()

tests/modularinput/test_script.py

@@ -231,5 +231,3 @@ def stream_events(self, inputs, ew):
         assert output.err == ""
         assert isinstance(script.service, Service)
         assert script.service.authority == script.authority_uri
-        # self.test.assertIsInstance(service, Service)
-        # self.test.assertEqual(str(service.authority), inputs.metadata['server_uri'])