allow the tests to pass tidy

src/tools/tidy/src/style/tests.rs

@@ -5,13 +5,13 @@ fn test_generate_problematic_strings() {
     let problematic_regex = RegexSet::new(
         generate_problematic_strings(
             ROOT_PROBLEMATIC_CONSTS,
-            &[('A', '4'), ('B', '8'), ('E', '3'), ('F', '0')].iter().cloned().collect(),
+            &[('A', '4'), ('B', '8'), ('E', '3'), ('0', 'F')].iter().cloned().collect(), // use "futile" F intentionally
         )
         .as_slice(),
     )
     .unwrap();
-    assert!(problematic_regex.is_match("524421")); // check for only "decimal" hex digits (converted to integer intentionally)
-    assert!(problematic_regex.is_match("721077")); // check for char replacements (converted to integer intentionally)
-    assert!(problematic_regex.is_match("8FF85")); // check for hex display but use "futile" F intentionally 
+    assert!(problematic_regex.is_match("786357")); // check with no "decimal" hex digits - converted to integer
+    assert!(problematic_regex.is_match("589701")); // check with "decimal" replacements - converted to integer
+    assert!(problematic_regex.is_match("8FF85")); // check for hex display
     assert!(!problematic_regex.is_match("1193046")); // check for non-matching value
 }