Use setup_component in tests v1 (#3507)

* update unittests like #3414

* setup_component - splunk

* setup_component - statsd

* fix statsd & splunk unittest config values

* component_setup - device_sun_light_trigger

* setup_component - introduction

* component_setup - persistent_notification

* setup_component - logentries, mqtt eventstream

* fix unittest logentries

tests/components/rollershutter/test_command_line.py

@@ -5,6 +5,7 @@ import tempfile
 import unittest
 from unittest import mock
 
+from homeassistant.bootstrap import setup_component
 import homeassistant.components.rollershutter as rollershutter
 from homeassistant.components.rollershutter import (
     command_line as cmd_rs)
@@ -53,7 +54,7 @@ class TestCommandRollerShutter(unittest.TestCase):
                 'stopcmd': 'echo 0 > {}'.format(path),
                 'value_template': '{{ value }}'
             }
-            self.assertTrue(rollershutter.setup(self.hass, {
+            self.assertTrue(setup_component(self.hass, rollershutter.DOMAIN, {
                 'rollershutter': {
                     'platform': 'command_line',
                     'rollershutters': {