fixed Clippy linter bug that caused CI to crash

Author: Reim-developer

src/back_end/tests/utf8.rs

@@ -6,14 +6,14 @@ fn test_utf8_null_dererence() {
     use std::ffi::c_char;
     use std::ptr;
 
+    use AllocResult as R;
+
     unsafe {
         let mut output_null: *mut c_char = ptr::null_mut();
         let result_null: *const c_char = ptr::null();
 
         let result = to_utf8(result_null, &mut output_null);
 
-        use AllocResult as R;
-
         assert_ne!(result, R::OK);
         assert_ne!(result, R::C_STRING_CONVERT_ERR);
         assert_eq!(result, R::NULL_DEFERENCE_ERR);
@@ -28,6 +28,8 @@ fn test_utf8() {
         use std::ffi::{CStr, CString, c_char};
         use std::ptr::null_mut;
 
+        use AllocResult as R;
+
         let mut out: *mut c_char = null_mut();
         let content = CString::new(
             "café 世界 🌍\n春の海　ひねもすのたり　のたりかな\nشكرا لك.\n
@@ -41,8 +43,6 @@ fn test_utf8() {
         let result = to_utf8(content.as_ptr(), &mut out);
         let content_str = CStr::from_ptr(out).to_str().unwrap();
 
-        use AllocResult as R;
-
         assert_ne!(result, R::C_STRING_CONVERT_ERR);
         assert_ne!(result, R::NULL_DEFERENCE_ERR);
         assert_eq!(result, R::OK);