Extend two older tests

Author: Gabriel Erzse

tests/test_commands.py

@@ -2162,6 +2162,8 @@ def test_hscan(self, r):
         assert dic == {b"a": b"1", b"b": b"2", b"c": b"3"}
         _, dic = r.hscan("a", match="a")
         assert dic == {b"a": b"1"}
+        _, dic = r.hscan("a_notset")
+        assert dic == {}
 
     @skip_if_server_version_lt("7.2.6")
     def test_hscan_novalues(self, r):
@@ -2181,6 +2183,8 @@ def test_hscan_iter(self, r):
         assert dic == {b"a": b"1", b"b": b"2", b"c": b"3"}
         dic = dict(r.hscan_iter("a", match="a"))
         assert dic == {b"a": b"1"}
+        dic = dict(r.hscan_iter("a_notset"))
+        assert dic == {}
 
     @skip_if_server_version_lt("7.2.6")
     def test_hscan_iter_novalues(self, r):