[fixes] minor fix in test-case
diff --git a/erpnext/accounts/doctype/payment_request/test_payment_request.py b/erpnext/accounts/doctype/payment_request/test_payment_request.py
index 49c604a..ad387cb 100644
--- a/erpnext/accounts/doctype/payment_request/test_payment_request.py
+++ b/erpnext/accounts/doctype/payment_request/test_payment_request.py
@@ -39,7 +39,7 @@
 			frappe.get_doc(payment_gateway).insert(ignore_permissions=True)
 			
 		for method in payment_method:
-			if not frappe.db.get_value("Payment Gateway Account", {"gateway": method["gateway"], 
+			if not frappe.db.get_value("Payment Gateway Account", {"payment_gateway": method["gateway"], 
 				"currency": method["currency"]}, "name"):
 				frappe.get_doc(method).insert(ignore_permissions=True)