Fix highlight test for unary negation

J3RN · the-mikedavis · J3RN · commit 11d97e117568 · 2023-07-29T18:54:08.000-04:00
Co-authored-by: Michael Davis &lt;mcarsondavis@gmail.com&gt;
diff --git a/test/highlight/expressions.gleam b/test/highlight/expressions.gleam
@@ -7,6 +7,6 @@ case "12345" {
   //   ^ string
 }
 
--x
-^ operator
- ^ variable
+   -x
+// ^ operator
+//  ^ variable
