diff --git a/tests/api2/test_audit_rest.py b/tests/api2/test_audit_rest.py
index 2c2daaebccdc..5e42faf10d21 100644
--- a/tests/api2/test_audit_rest.py
+++ b/tests/api2/test_audit_rest.py
@@ -73,7 +73,7 @@ def test_authenticated_call():
                     "protocol": "REST",
                     "credentials": {
                         "credentials": "LOGIN_PASSWORD",
-                        "credentials_data": {"username": "root", "login_at": ANY},
+                        "credentials_data": {"username": "root"},
                     },
                 },
                 "event": "AUTHENTICATION",
@@ -96,7 +96,7 @@ def test_authenticated_call():
                     "protocol": "REST",
                     "credentials": {
                         "credentials": "LOGIN_PASSWORD",
-                        "credentials_data": {"username": "root", "login_at": ANY},
+                        "credentials_data": {"username": "root"},
                     },
                 },
                 "event": "METHOD_CALL",
diff --git a/tests/api2/test_job_credentials.py b/tests/api2/test_job_credentials.py
index c95984ed91d6..85e1dbc13545 100644
--- a/tests/api2/test_job_credentials.py
+++ b/tests/api2/test_job_credentials.py
@@ -1,5 +1,6 @@
 from middlewared.test.integration.assets.account import unprivileged_user_client
 from middlewared.test.integration.utils import call, mock
+from unittest.mock import ANY
 
 
 def test_job_credentials():
@@ -15,4 +16,4 @@ def mock(self, job, *args):
 
             job = call("core.get_jobs", [["id", "=", job_id]], {"get": True})
 
-            assert job["credentials"] == {"type": "LOGIN_PASSWORD", "data": {"username": c.username}}
+            assert job["credentials"] == {"type": "LOGIN_PASSWORD", "data": {"username": c.username, "login_at": ANY}}
diff --git a/tests/api2/test_twofactor_auth.py b/tests/api2/test_twofactor_auth.py
index 89b07d77ec3e..84fb81b5da66 100644
--- a/tests/api2/test_twofactor_auth.py
+++ b/tests/api2/test_twofactor_auth.py
@@ -34,6 +34,11 @@ def user(data: dict):
         yield user_obj
 
 
+@pytest.fixture(scope='function')
+def clear_ratelimit():
+    call('rate.limit.cache_clear')
+
+
 def do_login(username, password, otp=None, expected=True):
     with client(auth=None) as c:
         resp = c.call('auth.login_ex', {
@@ -133,7 +138,7 @@ def test_login_with_otp_for_user_with_2fa():
             do_login(TEST_USERNAME_2, TEST_PASSWORD_2, get_2fa_totp_token(get_user_secret(user_obj['id'])))
 
 
-def test_user_2fa_secret_renewal():
+def test_user_2fa_secret_renewal(clear_ratelimit):
     with user({
         'username': TEST_USERNAME_2,
         'password': TEST_PASSWORD_2,
@@ -150,7 +155,7 @@ def test_user_2fa_secret_renewal():
             do_login(TEST_USERNAME_2, TEST_PASSWORD_2, get_2fa_totp_token(get_user_secret(user_obj['id'])))
 
 
-def test_restricted_user_2fa_secret_renewal():
+def test_restricted_user_2fa_secret_renewal(clear_ratelimit):
     with unprivileged_user(
         username=TEST_USERNAME,
         group_name='TEST_2FA_GROUP',
@@ -179,7 +184,7 @@ def test_restricted_user_2fa_secret_renewal():
                 do_login(acct.username, acct.password, get_2fa_totp_token(get_user_secret(user_obj['id'])))
 
 
-def test_multiple_users_login_with_otp():
+def test_multiple_users_login_with_otp(clear_ratelimit):
     with user({
         'username': TEST_USERNAME,
         'password': TEST_PASSWORD,