diff --git a/tests/handlers/test_destinations.py b/tests/handlers/test_destinations.py
index 00a52cbb00..b49b830106 100644
--- a/tests/handlers/test_destinations.py
+++ b/tests/handlers/test_destinations.py
@@ -141,7 +141,7 @@ def test_discord_notify_calls_requests_post():
 
         mock_post.assert_called_once_with(
             "https://discordapp.com/api/webhooks/test",
-            data=json.dumps(expected_payload),
+            data=json.dumps(expected_payload, separators=(',', ':')),  # orjson.dumps always uses compact separators
             headers={"Content-Type": "application/json"},
             timeout=5.0,
         )
@@ -248,7 +248,7 @@ def test_slack_notify_calls_requests_post():
 
         mock_post.assert_called_once_with(
             "https://slack.com/api/api.test",
-            data=json.dumps(expected_payload).encode(),
+            data=json.dumps(expected_payload, separators=(',', ':')).encode(),
             timeout=5.0,
         )
 
@@ -508,7 +508,7 @@ def test_datadog_notify_calls_requests_post():
 
         mock_post.assert_called_once_with(
             "https://api.datadoghq.com/api/v1/events",
-            data=json.dumps(expected_payload),
+            data=json.dumps(expected_payload, separators=(',', ':')),
             headers={
                 "Accept": "application/json",
                 "Content-Type": "application/json",
diff --git a/tests/test_cli.py b/tests/test_cli.py
index ab33f6c716..c759029d4f 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -102,17 +102,17 @@ def test_list(self):
         Id: 3
         Name: Atest
         Type: sqlite
-        Options: {"dbpath": "/tmp/test.db"}
+        Options: {"dbpath":"/tmp/test.db"}
         --------------------
         Id: 1
         Name: test1
         Type: pg
-        Options: {"dbname": "testdb1", "host": "example.com"}
+        Options: {"dbname":"testdb1","host":"example.com"}
         --------------------
         Id: 2
         Name: test2
         Type: sqlite
-        Options: {"dbpath": "/tmp/test.db"}
+        Options: {"dbpath":"/tmp/test.db"}
         """
         self.assertMultiLineEqual(result.output, textwrap.dedent(expected_output).lstrip())