Increase test coverage for rfxtrx integration (#38435)

* Remove rfxtrx from coveragerc

* Tweak binary sensor test

* Tweak light test

.coveragerc

@@ -692,7 +692,6 @@ omit =
     homeassistant/components/rest/binary_sensor.py
     homeassistant/components/rest/notify.py
     homeassistant/components/rest/switch.py
-    homeassistant/components/rfxtrx/*
     homeassistant/components/ring/camera.py
     homeassistant/components/ripple/sensor.py
     homeassistant/components/rocketchat/notify.py

tests/components/rfxtrx/test_binary_sensor.py

@@ -204,6 +204,24 @@ async def test_off_delay(hass, rfxtrx, timestep):
     assert state
     assert state.state == "off"
 
+    await rfxtrx.signal("0b1100100118cdea02010f70")
+    state = hass.states.get("binary_sensor.ac_118cdea_2")
+    assert state
+    assert state.state == "on"
+
+    await timestep(3)
+    await rfxtrx.signal("0b1100100118cdea02010f70")
+
+    await timestep(4)
+    state = hass.states.get("binary_sensor.ac_118cdea_2")
+    assert state
+    assert state.state == "on"
+
+    await timestep(4)
+    state = hass.states.get("binary_sensor.ac_118cdea_2")
+    assert state
+    assert state.state == "off"
+
 
 async def test_panic(hass, rfxtrx_automatic):
     """Test panic entities."""

tests/components/rfxtrx/test_light.py

@@ -123,6 +123,7 @@ async def test_several_lights(hass, rfxtrx):
         },
     )
     await hass.async_block_till_done()
+    await hass.async_start()
 
     state = hass.states.get("light.ac_213c7f2_48")
     assert state
@@ -139,6 +140,22 @@ async def test_several_lights(hass, rfxtrx):
     assert state.state == "off"
     assert state.attributes.get("friendly_name") == "AC 1118cdea:2"
 
+    await rfxtrx.signal("0b1100cd0213c7f230010f71")
+    state = hass.states.get("light.ac_213c7f2_48")
+    assert state
+    assert state.state == "on"
+
+    await rfxtrx.signal("0b1100cd0213c7f230000f71")
+    state = hass.states.get("light.ac_213c7f2_48")
+    assert state
+    assert state.state == "off"
+
+    await rfxtrx.signal("0b1100cd0213c7f230020f71")
+    state = hass.states.get("light.ac_213c7f2_48")
+    assert state
+    assert state.state == "on"
+    assert state.attributes.get("brightness") == 255
+
 
 @pytest.mark.parametrize("repetitions", [1, 3])
 async def test_repetitions(hass, rfxtrx, repetitions):