diff --git a/test/built-ins/Temporal/ZonedDateTime/prototype/add/add-large-subseconds.js b/test/built-ins/Temporal/ZonedDateTime/prototype/add/add-large-subseconds.js
index 5f9040990cf..4169cb95bf6 100644
--- a/test/built-ins/Temporal/ZonedDateTime/prototype/add/add-large-subseconds.js
+++ b/test/built-ins/Temporal/ZonedDateTime/prototype/add/add-large-subseconds.js
@@ -8,7 +8,7 @@ features: [Temporal]
 ---*/
 
 // const pdt1 = new Temporal.PlainDateTime(2020, 2, 29, 0, 57, 27, 747, 612, 578);
-const zdt1 = new Temporal.ZonedDateTime(1582966647747612578n, "America/Los_Angeles");
+const zdt1 = new Temporal.ZonedDateTime(1582966647747612578n, "UTC");
 
 assert.sameValue(zdt1.add(Temporal.Duration.from({nanoseconds: Number.MAX_SAFE_INTEGER})).epochNanoseconds,
                  1591973847002353569n);
diff --git a/test/built-ins/Temporal/ZonedDateTime/prototype/subtract/subtract-large-subseconds.js b/test/built-ins/Temporal/ZonedDateTime/prototype/subtract/subtract-large-subseconds.js
index 96228605c40..8d4306146bb 100644
--- a/test/built-ins/Temporal/ZonedDateTime/prototype/subtract/subtract-large-subseconds.js
+++ b/test/built-ins/Temporal/ZonedDateTime/prototype/subtract/subtract-large-subseconds.js
@@ -8,7 +8,7 @@ features: [Temporal]
 ---*/
 
 // const pdt1 = new Temporal.PlainDateTime(2020, 2, 29, 0, 57, 27, 747, 612, 578);
-const zdt1 = new Temporal.ZonedDateTime(1582966647747612578n, "America/Los_Angeles");
+const zdt1 = new Temporal.ZonedDateTime(1582966647747612578n, "UTC");
 
 assert.sameValue(zdt1.subtract(Temporal.Duration.from({nanoseconds: Number.MAX_SAFE_INTEGER})).epochNanoseconds,
                  1573959448492871587n);
diff --git a/test/built-ins/Temporal/ZonedDateTime/prototype/round/round-dst-boundaries.js b/test/intl402/Temporal/ZonedDateTime/prototype/round/round-dst-boundaries.js
similarity index 100%
rename from test/built-ins/Temporal/ZonedDateTime/prototype/round/round-dst-boundaries.js
rename to test/intl402/Temporal/ZonedDateTime/prototype/round/round-dst-boundaries.js