Enable hass.io panel without ping (#22388)

* Enable hass.io panel without ping

* fix tests

homeassistant/components/hassio/__init__.py

@@ -145,8 +145,7 @@ async def async_setup(hass, config):
     hass.data[DOMAIN] = hassio = HassIO(hass.loop, websession, host)
 
     if not await hassio.is_connected():
-        _LOGGER.error("Not connected with Hass.io")
+        _LOGGER.warning("Not connected with Hass.io / system to busy!")
-        return False
 
     store = hass.helpers.storage.Store(STORAGE_VERSION, STORAGE_KEY)
     data = await store.async_load()

homeassistant/components/hassio/handler.py

@@ -62,7 +62,7 @@ class HassIO:
 
         This method return a coroutine.
         """
-        return self.send_command("/supervisor/ping", method="get")
+        return self.send_command("/supervisor/ping", method="get", timeout=15)
 
     @_api_data
     def get_homeassistant_info(self):

tests/components/hassio/test_init.py

@@ -219,15 +219,16 @@ def test_fail_setup_without_environ_var(hass):
 
 
 @asyncio.coroutine
-def test_fail_setup_cannot_connect(hass):
+def test_fail_setup_cannot_connect(hass, caplog):
     """Fail setup if cannot connect."""
     with patch.dict(os.environ, MOCK_ENVIRON), \
             patch('homeassistant.components.hassio.HassIO.is_connected',
                   Mock(return_value=mock_coro(None))):
         result = yield from async_setup_component(hass, 'hassio', {})
-        assert not result
+        assert result
 
-    assert not hass.components.hassio.is_hassio()
+    assert hass.components.hassio.is_hassio()
+    assert "Not connected with Hass.io / system to busy!" in caplog.text
 
 
 @asyncio.coroutine