Ignore clippy in number conversion tests

test_suite/tests/test_de.rs

@@ -1,4 +1,5 @@
 #![allow(
+    clippy::cast_lossless,
     clippy::decimal_literal_representation,
     clippy::empty_enum,
     clippy::manual_assert,

test_suite/tests/test_de_error.rs

@@ -1,4 +1,4 @@
-#![allow(clippy::empty_enum)]
+#![allow(clippy::empty_enum, clippy::unreadable_literal)]
 #![cfg_attr(feature = "unstable", feature(never_type))]
 
 use serde::Deserialize;