gatde exhaustive date addition snapshot test behind feature

Author: SATVIKsynopsis

components/calendar/tests/date_addition_snapshot.rs

@@ -9,6 +9,7 @@ use insta::assert_snapshot;
 use std::fmt::Write;
 
 #[test]
+#[cfg(feature = "exhaustive")]
 fn test_date_add_across_calendars_and_durations() {
     let calendars = vec![
         AnyCalendarKind::Iso,
@@ -339,34 +340,36 @@ fn test_date_add_across_calendars_and_durations() {
 
             for duration in &durations {
                 let mut date = start_date.clone();
-                date.try_add_with_options(*duration, opts)
-                    .expect("Addition should succeed");
 
                 let duration_str = format!(
                     "{}{}{}{}",
                     if duration.years != 0 {
                         format!("{}Y ", duration.years)
                     } else {
-                        "".into()
+                        String::new()
                     },
                     if duration.months != 0 {
                         format!("{}M ", duration.months)
                     } else {
-                        "".into()
+                        String::new()
                     },
                     if duration.weeks != 0 {
                         format!("{}W ", duration.weeks)
                     } else {
-                        "".into()
+                        String::new()
                     },
                     if duration.days != 0 {
                         format!("{}D", duration.days)
                     } else {
-                        "".into()
+                        String::new()
                     },
                 );
 
-                writeln!(&mut calendar_output, "  +{} → {:?}", duration_str, date).unwrap();
+                if date.try_add_with_options(*duration, opts).is_ok() {
+                    writeln!(&mut calendar_output, "  +{} → {:?}", duration_str, date).unwrap();
+                } else {
+                    writeln!(&mut calendar_output, "  +{} → <invalid>", duration_str).unwrap();
+                }
             }
 
             writeln!(&mut calendar_output).unwrap();