hwmon: Lower poll timeout during tests

Makes the tests last about 8 seconds less.

src/drv-hwmon-light.c

@@ -14,7 +14,9 @@
 #include <errno.h>
 #include <stdio.h>
 
-#define DEFAULT_POLL_TIME 8000
+#include "utils.h"
+
+#define DEFAULT_POLL_TIME (IS_TEST ? 500 : 8000)
 #define MAX_LIGHT_LEVEL   255
 
 typedef struct DrvData {

tests/integration-test

@@ -256,8 +256,8 @@ class Tests(dbusmock.DBusTestCase):
         self.assertEqual(self.get_dbus_property('LightLevelUnit'), 'vendor')
 
         self.testbed.set_attribute(hwmon, 'light', '(255,255)')
-        # DEFAULT_POLL_TIME is 8000
-        time.sleep(8)
+        # DEFAULT_POLL_TIME
+        time.sleep(0.5)
         self.assertEventually(lambda: self.get_dbus_property('LightLevel') == 100)
 
         # process = subprocess.Popen(['gdbus', 'introspect', '--system', '--dest', 'net.hadess.SensorProxy', '--object-path', '/net/hadess/SensorProxy'])