GPIO DOUT pin list re-order (#169)

* Update gpio_configs.py

Forgotten change

* fixed LED integration test

Author: sjpark608

src/edgepi/gpio/gpio_configs.py

@@ -232,9 +232,9 @@ class DOUTPins(Enum):
 ]
 
 _list_of_DOUT_expander_gpios =[
-    DOUTPins.DOUT3.value, DOUTPins.DOUT4.value,
-    DOUTPins.DOUT5.value, DOUTPins.DOUT6.value,
-    DOUTPins.DOUT7.value, DOUTPins.DOUT8.value]
+    DOUTPins.DOUT8.value, DOUTPins.DOUT7.value,
+    DOUTPins.DOUT6.value, DOUTPins.DOUT5.value,
+    DOUTPins.DOUT4.value, DOUTPins.DOUT3.value]
 
 
 def _generate_DAC_pins(): #pylint: disable=C0103
@@ -339,7 +339,6 @@ def _generate_DOUT_cpu_pins(): #pylint: disable=C0103
         pin_dict[pin] = GpioChipPinInfo(dir = "out", bias = "pull_down")
     return pin_dict
 
-#TODO: Doubl check pinouts
 def _generate_DOUT_expander_pins(): #pylint: disable=C0103
     """
         Args:

tests/integration_tests/test_led/test_led.py

@@ -26,7 +26,7 @@ def fixture_gpio():
 ])
 def test_turn_led_on(led_name, led, gpio):
     led.turn_led_on(led_name)
-    state = gpio.read_pin_sate(led_name.value)
+    state = gpio.read_pin_state(led_name.value)
     assert state is True
 
 
@@ -42,7 +42,7 @@ def test_turn_led_on(led_name, led, gpio):
 ])
 def test_turn_led_off(led_name, led, gpio):
     led.turn_led_off(led_name)
-    state = gpio.read_pin_sate(led_name.value)
+    state = gpio.read_pin_state(led_name.value)
     assert state is False