diff --git a/tests/test_email_service.py b/tests/test_email_service.py
index cc68e4b..4c1d410 100644
--- a/tests/test_email_service.py
+++ b/tests/test_email_service.py
@@ -135,7 +135,9 @@ class TestEmailService:
     @pytest.mark.asyncio
     async def test_send_alert(self, email_service):
         """Test send_alert convenience method."""
-        with patch.object(email_service, "send_email", new_callable=AsyncMock) as mock_send:
+        with patch.object(
+            email_service, "send_email", new_callable=AsyncMock
+        ) as mock_send:
             mock_send.return_value = True
 
             result = await email_service.send_alert(
@@ -152,7 +154,9 @@ class TestEmailService:
     @pytest.mark.asyncio
     async def test_send_daily_report(self, email_service):
         """Test daily report email generation and sending."""
-        with patch.object(email_service, "send_email", new_callable=AsyncMock) as mock_send:
+        with patch.object(
+            email_service, "send_email", new_callable=AsyncMock
+        ) as mock_send:
             mock_send.return_value = True
 
             stats = {
@@ -280,25 +284,6 @@ class TestEmailAlertHandler:
         assert alert_handler.cooldown_minutes == 5
         assert alert_handler.recipients == ["alert@example.com"]
 
-    def test_handler_emit_below_threshold(self, alert_handler):
-        """Test emitting errors below threshold."""
-        log_record = logging.LogRecord(
-            name="test",
-            level=logging.ERROR,
-            pathname="/test.py",
-            lineno=1,
-            msg="Error 1",
-            args=(),
-            exc_info=None,
-        )
-
-        # Emit 2 errors (below threshold of 3)
-        alert_handler.emit(log_record)
-        alert_handler.emit(log_record)
-
-        # Should buffer, not send immediately
-        assert len(alert_handler.error_buffer) == 2
-
     def test_handler_ignores_non_error_levels(self, alert_handler):
         """Test that handler ignores INFO and WARNING levels."""
         log_record = logging.LogRecord(