diff --git a/test/intl402/Intl/getCanonicalLocales/duplicates.js b/test/intl402/Intl/getCanonicalLocales/duplicates.js
index cff587ca3c..b9e786b240 100644
--- a/test/intl402/Intl/getCanonicalLocales/duplicates.js
+++ b/test/intl402/Intl/getCanonicalLocales/duplicates.js
@@ -11,9 +11,8 @@ info: |
 includes: [compareArray.js]
 ---*/
 
-assert(compareArray(
-  Intl.getCanonicalLocales(
-    ['ab-cd', 'ff', 'de-rt', 'ab-Cd']), ['ab-CD', 'ff', 'de-RT']));
+assert.compareArray(Intl.getCanonicalLocales(
+  ['ab-cd', 'ff', 'de-rt', 'ab-Cd']), ['ab-CD', 'ff', 'de-RT']);
 
 var locales = Intl.getCanonicalLocales(['en-US', 'en-US']);
-assert(compareArray(locales, ['en-US']), 'en-US');
+assert.compareArray(locales, ['en-US'], 'en-US');
diff --git a/test/intl402/Intl/getCanonicalLocales/locales-is-not-a-string.js b/test/intl402/Intl/getCanonicalLocales/locales-is-not-a-string.js
index ee96616d7f..43f6087b04 100644
--- a/test/intl402/Intl/getCanonicalLocales/locales-is-not-a-string.js
+++ b/test/intl402/Intl/getCanonicalLocales/locales-is-not-a-string.js
@@ -15,7 +15,7 @@ features: [Symbol]
 var gCL = Intl.getCanonicalLocales;
 
 function assertArray(l, r) {
-  assert(compareArray(l, r), r);
+  assert.compareArray(l, r, r);
 }
 
 assertArray(gCL(), []);
diff --git a/test/intl402/Intl/getCanonicalLocales/main.js b/test/intl402/Intl/getCanonicalLocales/main.js
index ae088b38a2..c6617fc20b 100644
--- a/test/intl402/Intl/getCanonicalLocales/main.js
+++ b/test/intl402/Intl/getCanonicalLocales/main.js
@@ -14,7 +14,7 @@ includes: [compareArray.js]
 var gCL = Intl.getCanonicalLocales;
 
 function assertArray(l, r) {
-  assert(compareArray(l, r), r);
+  assert.compareArray(l, r, r);
 }
 
 assertArray(gCL(), []);
diff --git a/test/intl402/Intl/getCanonicalLocales/overriden-arg-length.js b/test/intl402/Intl/getCanonicalLocales/overriden-arg-length.js
index 49321736a0..fe0fcc28de 100644
--- a/test/intl402/Intl/getCanonicalLocales/overriden-arg-length.js
+++ b/test/intl402/Intl/getCanonicalLocales/overriden-arg-length.js
@@ -32,8 +32,11 @@ Object.defineProperty(locales, "length", {
   get: function() { return "1" }
 });
 
-assert(compareArray(Intl.getCanonicalLocales(locales), ['en-US']),
-  "should return one element if locales.length is '1'");
+assert.compareArray(
+  Intl.getCanonicalLocales(locales),
+  ['en-US'],
+  "should return one element if locales.length is '1'"
+);
 
 var locales = {
   '0': 'en-US',
@@ -44,8 +47,11 @@ Object.defineProperty(locales, "length", {
   get: function() { return 1.3 }
 });
 
-assert(compareArray(Intl.getCanonicalLocales(locales), ['en-US']),
-  "should return one element if locales.length is 1.3");
+assert.compareArray(
+  Intl.getCanonicalLocales(locales),
+  ['en-US'],
+  "should return one element if locales.length is 1.3"
+);
 
 var locales = {
   '0': 'en-US',
@@ -69,8 +75,11 @@ Object.defineProperty(locales, "length", {
   get: function() { return -Infinity }
 });
 
-assert(compareArray(Intl.getCanonicalLocales(locales), []),
-  "should return empty array if locales.length is -Infinity");
+assert.compareArray(
+  Intl.getCanonicalLocales(locales),
+  [],
+  "should return empty array if locales.length is -Infinity"
+);
 
 var locales = {
   length: -Math.pow(2, 32) + 1
@@ -80,8 +89,11 @@ Object.defineProperty(locales, "0", {
   get: function() { throw new Error("must not be gotten!"); }
 })
 
-assert(compareArray(Intl.getCanonicalLocales(locales), []),
-  "should return empty array if locales.length is a negative value");
+assert.compareArray(
+  Intl.getCanonicalLocales(locales),
+  [],
+  "should return empty array if locales.length is a negative value"
+);
 
 var count = 0;
 var locs = { get length() { if (count++ > 0) throw 42; return 0; } };
diff --git a/test/intl402/Intl/getCanonicalLocales/overriden-push.js b/test/intl402/Intl/getCanonicalLocales/overriden-push.js
index 142f123c53..926ab1724c 100644
--- a/test/intl402/Intl/getCanonicalLocales/overriden-push.js
+++ b/test/intl402/Intl/getCanonicalLocales/overriden-push.js
@@ -16,4 +16,4 @@ Array.prototype.push = function() { throw 42; };
 // must not throw 42, might if push is used
 var arr = Intl.getCanonicalLocales(["en-US"]);
 
-assert(compareArray(arr, ["en-US"]));
+assert.compareArray(arr, ["en-US"]);
diff --git a/test/intl402/Intl/getCanonicalLocales/to-string.js b/test/intl402/Intl/getCanonicalLocales/to-string.js
index 3d18a6dff0..f3c0949a26 100644
--- a/test/intl402/Intl/getCanonicalLocales/to-string.js
+++ b/test/intl402/Intl/getCanonicalLocales/to-string.js
@@ -17,4 +17,4 @@ var locales = {
   length: 2
 };
 
-assert(compareArray(Intl.getCanonicalLocales(locales), [ "en-US", "pt-BR" ]));
+assert.compareArray(Intl.getCanonicalLocales(locales), [ "en-US", "pt-BR" ]);
diff --git a/test/intl402/Intl/getCanonicalLocales/weird-cases.js b/test/intl402/Intl/getCanonicalLocales/weird-cases.js
index 32fa44f679..72b47b4eb7 100644
--- a/test/intl402/Intl/getCanonicalLocales/weird-cases.js
+++ b/test/intl402/Intl/getCanonicalLocales/weird-cases.js
@@ -20,5 +20,5 @@ var weirdCases =
   ];
 
 weirdCases.forEach(function (weird) {
-  assert(compareArray(Intl.getCanonicalLocales(weird), [weird]));
+  assert.compareArray(Intl.getCanonicalLocales(weird), [weird]);
 });
diff --git a/test/intl402/ListFormat/prototype/formatToParts/iterable-undefined.js b/test/intl402/ListFormat/prototype/formatToParts/iterable-undefined.js
index c1d6ac91c0..3578939a2c 100644
--- a/test/intl402/ListFormat/prototype/formatToParts/iterable-undefined.js
+++ b/test/intl402/ListFormat/prototype/formatToParts/iterable-undefined.js
@@ -16,4 +16,4 @@ includes: [compareArray.js]
 
 let lf = new Intl.ListFormat();
 
-assert(compareArray([], lf.formatToParts(undefined)));
+assert.compareArray([], lf.formatToParts(undefined));