Update test/built-ins/Temporal/ZonedDateTime/from/argument-propertyba…

…g-invalid-offset-string.js

Co-authored-by: Philip Chimento <[email protected]>

test/built-ins/Temporal/ZonedDateTime/from/argument-propertybag-invalid-offset-string.js

@@ -28,8 +28,7 @@ offsetOptions.forEach((offsetOption) => {
     assert.throws(
       typeof(offset) === 'string' || (typeof offset === "object" && offset !== null) ? RangeError : TypeError,
       () => Temporal.ZonedDateTime.from(arg, { offset: offsetOption }),
-        typeof(offset) === 'symbol' ? "symbol is not a valid offset string"
-            : `"${offset} is not a valid offset string (with offset option ${offsetOption})`
+        `"${String(offset)} is not a valid offset string (with offset option ${offsetOption})`
     );
   });
 });