diff --git a/test/intl402/Segmenter/prototype/segment/segment-grapheme-iterable.js b/test/intl402/Segmenter/prototype/segment/segment-grapheme-iterable.js
index 41b693f351..4b1955e6eb 100644
--- a/test/intl402/Segmenter/prototype/segment/segment-grapheme-iterable.js
+++ b/test/intl402/Segmenter/prototype/segment/segment-grapheme-iterable.js
@@ -40,7 +40,7 @@ for (const text of [
     segments.push(v.segment);
 
     // manually advance the iter.
-    assertFalse(iter.following());
+    assert.sameValue(iter.following(), false);
     assert.sameValue(iter.breakType, v.breakType);
     assert.sameValue(text.substring(prev, iter.position), v.segment);
     prev = iter.position;
diff --git a/test/intl402/Segmenter/prototype/segment/segment-line-iterable.js b/test/intl402/Segmenter/prototype/segment/segment-line-iterable.js
index 88dd9349da..7be007c1a4 100644
--- a/test/intl402/Segmenter/prototype/segment/segment-line-iterable.js
+++ b/test/intl402/Segmenter/prototype/segment/segment-line-iterable.js
@@ -40,7 +40,7 @@ for (const text of [
     segments.push(v.segment);
 
     // manually advance the iter.
-    assertFalse(iter.following());
+    assert.sameValue(iter.following(), false);
     assert.sameValue(iter.breakType, v.breakType);
     assert.sameValue(text.substring(prev, iter.position), v.segment);
     prev = iter.position;
diff --git a/test/intl402/Segmenter/prototype/segment/segment-sentence-iterable.js b/test/intl402/Segmenter/prototype/segment/segment-sentence-iterable.js
index b7596d3c9c..cf9896a73d 100644
--- a/test/intl402/Segmenter/prototype/segment/segment-sentence-iterable.js
+++ b/test/intl402/Segmenter/prototype/segment/segment-sentence-iterable.js
@@ -40,7 +40,7 @@ for (const text of [
     segments.push(v.segment);
 
     // manually advance the iter.
-    assertFalse(iter.following());
+    assert.sameValue(iter.following(), false);
     assert.sameValue(iter.breakType, v.breakType);
     assert.sameValue(text.substring(prev, iter.position), v.segment);
     prev = iter.position;
diff --git a/test/intl402/Segmenter/prototype/segment/segment-word-iterable.js b/test/intl402/Segmenter/prototype/segment/segment-word-iterable.js
index d28f0489a7..8f8fad194b 100644
--- a/test/intl402/Segmenter/prototype/segment/segment-word-iterable.js
+++ b/test/intl402/Segmenter/prototype/segment/segment-word-iterable.js
@@ -40,7 +40,7 @@ for (const text of [
     segments.push(v.segment);
 
     // manually advance the iter.
-    assertFalse(iter.following());
+    assert.sameValue(iter.following(), false);
     assert.sameValue(iter.breakType, v.breakType);
     assert.sameValue(text.substring(prev, iter.position), v.segment);
     prev = iter.position;