[REF] sale_mrp_bom: tiny refactoring in tests

sale_mrp_bom/tests/test_sale_mrp_bom.py

@@ -38,7 +38,7 @@ def prepare_so(self):
         return so, bom_a_v2, bom_b_v2
 
     def test_define_bom_in_sale_line(self):
-        """Check manufactured order is created with BOM definied in Sale."""
+        """Check manufactured order is created with BOM defined in Sale."""
         so, bom_a, bom_b = self.prepare_so()
 
         # Check manufacture order
@@ -59,7 +59,7 @@ def test_mismatch_product_variant_ids(self):
         line_a = so.order_line[0]
         self.assertEqual(line_a.bom_id, bom_a)
         with self.assertRaises(ValidationError):
-            line_a.write({"bom_id": bom_b})
+            line_a.bom_id = bom_b
 
     def test_accept_bom_with_no_variant(self):
         # make variants for template of product A