Remove service helper (4) (#16892)

* Update media_player

* Update lock

* Update notify

* Update remote

* Update scene

* Update vacuum

* Remove timer helpers

* Removed unused legacy helpers

tests/components/notify/common.py

@@ -0,0 +1,24 @@
+"""Collection of helper methods.
+
+All containing methods are legacy helpers that should not be used by new
+components. Instead call the service directly.
+"""
+from homeassistant.components.notify import (
+    ATTR_DATA, ATTR_MESSAGE, ATTR_TITLE, DOMAIN, SERVICE_NOTIFY)
+from homeassistant.loader import bind_hass
+
+
+@bind_hass
+def send_message(hass, message, title=None, data=None):
+    """Send a notification message."""
+    info = {
+        ATTR_MESSAGE: message
+    }
+
+    if title is not None:
+        info[ATTR_TITLE] = title
+
+    if data is not None:
+        info[ATTR_DATA] = data
+
+    hass.services.call(DOMAIN, SERVICE_NOTIFY, info)