diff --git a/tests/test_sessions.py b/tests/test_sessions.py
index 93541679..d112fba5 100644
--- a/tests/test_sessions.py
+++ b/tests/test_sessions.py
@@ -190,10 +190,32 @@ class TestSession(SessionTestBase):
     
     def test_expired_cookies(self, httpbin):
         self.start_session(httpbin)
-        session_path = self.config_dir / 'session-by-path.json'
-        http('--session', str(session_path), httpbin.url + '/cookies/set?hello=100')
-        r1 = http('--session', str(session_path), httpbin.url + '/cookies/delete?hello=100')
-        with open(self.config_dir / 'session-by-path.json', 'r') as myfile:
-            data=myfile.read()
-        obj = json.loads(data)
-        assert len(obj['cookies']) == 0
\ No newline at end of file
+        orig_session = {
+            'cookies': {
+                'to_expire': {
+                    'value': 'foo'
+                },
+                'to_stay': {
+                    'value': 'foo'
+                },
+            }
+        }
+
+        session_path = mk_config_dir() / 'test-session.json'
+        session_path.write_text(json.dumps(orig_session))
+
+        r = http(
+            '--session', str(session_path),
+            '--print=H',
+            httpbin.url + '/cookies/delete?to_expire',
+        )
+
+        assert 'Cookie: to_expire=foo; to_stay=foo' in r
+
+        updated_session = json.loads(session_path.read_text())
+
+        assert 'to_stay' in updated_session['cookies']
+
+        # Verify `to_expire` is gone
+        assert 'to_expire' not in updated_session['cookies']
+