update immediates for tests

src/arch/x86_64/test/nasm.rs

@@ -3,17 +3,16 @@ use std::{fs::OpenOptions, io::Write, process::Command};
 
 const DISPS: &[i32] = &[
     0x0,
-    0x1,
     i8::MIN as i32,
     i8::MAX as i32,
     i16::MIN as i32,
     i16::MAX as i32,
+    i32::MIN,
     i32::MAX,
 ];
 
 const IMMS: &[u64] = &[
     0x0,
-    0x1,
     u8::MAX as u64,
     u8::MAX as u64 + 1,
     u16::MAX as u64,