refactor(test): hardcoded names over dynamic ones

Much faster bootstrap without those get_doc calls

erpnext/controllers/tests/test_mapper.py

@@ -39,7 +39,7 @@ class TestMapper(ERPNextTestSuite):
 				"order_type": "Sales",
 				"transaction_date": nowdate(),
 				"valid_till": add_months(nowdate(), 1),
-				"company": self.companies[0].name,
+				"company": "_Test Company",
 			}
 		)
 		for item in item_list:

erpnext/controllers/tests/test_subcontracting_controller.py

@@ -742,7 +742,7 @@ class TestSubcontractingController(ERPNextTestSuite):
 					"doctype": "Serial No",
 					"item_code": "Subcontracted SRM Item 2",
 					"serial_no": serial_no,
-					"company": self.companies[0].name,
+					"company": "_Test Company",
 				}
 			).insert()