bpo-18374: fix tests to check the correct thing about line numbers (GH-14659) (GH-14672)

(cherry picked from commit 430a9f4)

Co-authored-by: Carl Friedrich Bolz-Tereick <[email protected]>

Author: 2 people

Lib/test/test_ast.py

@@ -598,14 +598,14 @@ def test_issue18374_binop_col_offset(self):
         self.assertEqual(parent_binop.end_lineno, 2)
 
         self.assertEqual(child_binop.col_offset, 0)
-        self.assertEqual(parent_binop.lineno, 1)
+        self.assertEqual(child_binop.lineno, 1)
         self.assertEqual(child_binop.end_col_offset, 2)
-        self.assertEqual(parent_binop.end_lineno, 2)
+        self.assertEqual(child_binop.end_lineno, 2)
 
         self.assertEqual(grandchild_binop.col_offset, 0)
-        self.assertEqual(parent_binop.lineno, 1)
+        self.assertEqual(grandchild_binop.lineno, 1)
         self.assertEqual(grandchild_binop.end_col_offset, 3)
-        self.assertEqual(parent_binop.end_lineno, 2)
+        self.assertEqual(grandchild_binop.end_lineno, 1)
 
 class ASTHelpers_Test(unittest.TestCase):
     maxDiff = None