chore: Fix flaky test test_exact_match_with_price

- Clear cart settings in cache to avoid stale values

erpnext/e_commerce/variant_selector/test_variant_selector.py

@@ -104,6 +104,8 @@ class TestVariantSelector(ERPNextTestCase):
 		})
 
 		make_web_item_price(item_code="Test-Tshirt-Temp-S-R", price_list_rate=100)
+
+		frappe.local.shopping_cart_settings = None # clear cached settings values
 		next_values = get_next_attribute_and_values(
 			"Test-Tshirt-Temp",
 			selected_attributes={"Test Size": "Small", "Test Colour": "Red"}