tests: Fix failing tests

frappe/core/doctype/data_import/exporter_new.py

@@ -96,6 +96,7 @@ class Exporter:
 				"parent": doctype,
 			}
 		)
+		all_fields = [name_field] + all_fields
 
 		if self.export_fields == "Mandatory":
 			fields = [df for df in all_fields if df.reqd]

frappe/core/doctype/data_import/importer_new.py

@@ -325,7 +325,7 @@ class Importer:
 
 	def detect_date_formats(self, columns):
 		for col in columns:
-			if col.df.fieldtype in ['Date', 'Time', 'Datetime']:
+			if col.df and col.df.fieldtype in ['Date', 'Time', 'Datetime']:
 				col.date_format = self.guess_date_format_for_column(col, columns)
 		return columns
 

frappe/core/doctype/data_import/test_exporter_new.py

@@ -30,7 +30,7 @@ class TestExporter(unittest.TestCase):
 		e = Exporter('Web Page', export_fields=export_fields)
 		csv_array = e.get_csv_array()
 		header = csv_array[0]
-		self.assertEqual(header, ['ID', 'Title', 'Route', 'Published'])
+		self.assertEqual(header, ['Title', 'Route', 'Published'])
 
 
 	def test_exports_data(self):