Fix typos (#3490)

tests/components/binary_sensor/test_sleepiq.py

@@ -1,4 +1,4 @@
-"""The tests for SleepIQ binary_sensor platform."""
+"""The tests for SleepIQ binary sensor platform."""
 import unittest
 from unittest.mock import MagicMock
 
@@ -32,7 +32,7 @@ class TestSleepIQBinarySensorSetup(unittest.TestCase):
 
     @requests_mock.Mocker()
     def test_setup(self, mock):
-        """Test for succesfully setting up the SleepIQ platform."""
+        """Test for successfully setting up the SleepIQ platform."""
         mock_responses(mock)
 
         sleepiq.setup_platform(self.hass,