DurationFormat: Add tests for durations with large hour/minute/second…

… unit values while using digital style

Grouping separators suppressed in this situation. See tc39/proposal-intl-duration-format/pull/198

test/intl402/DurationFormat/prototype/format/style-digital-large-hms-values.js

@@ -0,0 +1,42 @@
+// Copyright (C) 2024 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-formatnumericunits
+description: >
+  Test to ensure that grouping separators are suppressed when formatting Durations with /hour, minute, and second values while using digital style.
+
+info: |
+  1.1.12 FormatNumericUnits ( durationFormat, duration, firstNumericUnit, signDisplayed )
+
+  16. If hoursFormatted is true, then
+    ...
+    b. Append FormatNumericHours ( durationFormat, hoursValue, signDisplayed ) to numericPartsList.
+  17. If minutesFormatted is true, then
+    ...
+    b. Append FormatNumericMinutes ( durationFormat, minutesValue, hoursFormatted, signDisplayed ) to numericPartsList.
+  18. If secondsFormatted is true, then
+    a. Append FormatNumericSeconds ( durationFormat, secondsValue, minutesFormatted, signDisplayed ) to numericPartsList.
+
+  1.1.9 FormatNumericHours ( durationFormat, hoursValue, signDisplayed )
+    ...
+    9. Perform ! CreateDataPropertyOrThrow(nfOpts, "useGrouping", false).
+
+  1.1.10 FormatNumericMinutes (durationFormat, minutesValue, hoursDisplayed, signDisplayed)
+    ...
+    10. Perform ! CreateDataPropertyOrThrow(nfOpts, "useGrouping", false).
+
+  1.1.11 FormatNumericSeconds ( durationFormat, secondsValue, minutesDisplayed, signDisplayed )
+    ...
+    10. Perform ! CreateDataPropertyOrThrow(nfOpts, "useGrouping", false).
+
+locale: [en]
+features: [Intl.DurationFormat]
+---*/
+
+const locale = "en";
+const duration = {hours: 1234, minutes: 1234567, seconds: 12345678};
+
+let df = new Intl.DurationFormat(locale, {style: "digital"});
+
+assert.sameValue(df.format(duration), "1234:1234567:12345678", `failed to suppress grouping separator using digital style`);