test: health monitor uci-show fake

tests/test_health.py

@@ -37,6 +37,10 @@ class HealthCheckTest(unittest.TestCase):
                 self.uci_state[k] = v
             if a[:2] == ['uci', 'get']:
                 return (0, self.uci_state.get(a[2], '') + '\n', '')
+            if a[0] == 'uci' and a[1] == 'show':
+                sec = a[2]
+                return (0, ''.join("%s=%s\n" % (k, v) for k, v in self.uci_state.items()
+                                   if k == sec or k.startswith(sec + '.')), '')
             return (0, '', '')
 
         server.device_run = fake_run