fix: updated from #![no_std] to #![cfg_attr(not(test), no_std)]

Author: jim4067

basics/cross-program-invocation/quasar/hand/src/lib.rs

@@ -1,4 +1,4 @@
-#![no_std]
+#![cfg_attr(not(test), no_std)]
 
 use quasar_lang::prelude::*;
 

basics/cross-program-invocation/quasar/lever/src/lib.rs

@@ -1,4 +1,4 @@
-#![no_std]
+#![cfg_attr(not(test), no_std)]
 
 use quasar_lang::prelude::*;