Update test/intl402/DurationFormat/prototype/format/digital-style-wit…

…h-hours-display-auto-with-zero-hour.js

Co-authored-by: André Bargull <[email protected]>

test/intl402/DurationFormat/prototype/format/digital-style-with-hours-display-auto-with-zero-hour.js

@@ -32,5 +32,5 @@ const durations = [
 ];
 
 for (const [duration, expected] of durations) {
-  assert.sameValue(df.format(duration), expected, `Duration is ${duration}`);
+  assert.sameValue(df.format(duration), expected, `Duration is ${JSON.stringify(duration)}`);
 }