fix bugs in unittest

Author: Han Wang

tests/dispatcher/loc/task0/test0

@@ -71,5 +71,9 @@ def test_get_res(self):
             'ele_temp': 20000.0,
             'nbands': 81
         }
-        self.assertEqual(res, ref)
-    
+        self.assertEqual(res['natoms'], ref['natoms'])
+        self.assertAlmostEqual(res['vol'], ref['vol'])
+        self.assertAlmostEqual(res['nvalence'][0], ref['nvalence'][0])
+        self.assertEqual(len(res['nvalence']), len(ref['nvalence']))
+        self.assertAlmostEqual(res['ele_temp'], ref['ele_temp'])
+        self.assertEqual(res['nbands'], ref['nbands'])