diff --git a/dev/archery/archery/integration/datagen.py b/dev/archery/archery/integration/datagen.py
index 53eacfc412e5b..404cb3809f719 100644
--- a/dev/archery/archery/integration/datagen.py
+++ b/dev/archery/archery/integration/datagen.py
@@ -412,13 +412,9 @@ def _get_type(self):
 
     def generate_column(self, size, name=None):
         min_day_value, max_day_value = -10000*366, 10000*366
-        # values = [{'days': random.randint(min_day_value, max_day_value),
-        #            'milliseconds': random.randint(-86400000, +86400000)}
-        #           for _ in range(size)]
-        values = []
-        for _ in range(size):
-            values.append(random.randint(min_day_value, max_day_value))
-            values.append(random.randint(-86400000, +86400000))
+        values = [{'days': random.randint(min_day_value, max_day_value),
+                   'milliseconds': random.randint(-86400000, +86400000)}
+                  for _ in range(size)]
 
         is_valid = self._make_is_valid(size)
         if name is None:
@@ -1891,9 +1887,11 @@ def _temp_path():
 
         generate_duration_case(),
 
-        generate_interval_case(),
+        generate_interval_case()
+        .skip_tester('JS'),
 
-        generate_month_day_nano_interval_case(),
+        generate_month_day_nano_interval_case()
+        .skip_tester('JS'),
 
         generate_map_case(),