fix: test case
diff --git a/erpnext/crm/doctype/appointment/test_appointment.py b/erpnext/crm/doctype/appointment/test_appointment.py
index bcab7bd..c7563e9 100644
--- a/erpnext/crm/doctype/appointment/test_appointment.py
+++ b/erpnext/crm/doctype/appointment/test_appointment.py
@@ -9,7 +9,7 @@
 
 
 def create_test_lead():
-    test_lead = frappe.db.exists({'doctype': 'Lead', 'email':'test@example.com'})
+    test_lead = frappe.db.exists({'doctype': 'Lead', 'email_id':'test@example.com'})
     if test_lead:
         return frappe.get_doc('Lead', test_lead[0][0])
     test_lead = frappe.get_doc({