diff --git a/test/built-ins/RegExp/named-groups/groups-properties.js b/test/built-ins/RegExp/named-groups/groups-properties.js
index 9d7aa66f2e..3ca63eacb2 100644
--- a/test/built-ins/RegExp/named-groups/groups-properties.js
+++ b/test/built-ins/RegExp/named-groups/groups-properties.js
@@ -15,9 +15,8 @@ info: |
 ---*/
 
 // Properties created on result.groups in textual order.
-assert(compareArray(["fst", "snd"],
-             Object.getOwnPropertyNames(
-                 /(?<fst>.)|(?<snd>.)/u.exec("abcd").groups)));
+assert.compareArray(["fst", "snd"], Object.getOwnPropertyNames(
+    /(?<fst>.)|(?<snd>.)/u.exec("abcd").groups));
 
 // Properties are created with Define, not Set
 let counter = 0;
diff --git a/test/built-ins/RegExp/named-groups/lookbehind.js b/test/built-ins/RegExp/named-groups/lookbehind.js
index e3926bc97e..2349e52511 100644
--- a/test/built-ins/RegExp/named-groups/lookbehind.js
+++ b/test/built-ins/RegExp/named-groups/lookbehind.js
@@ -9,38 +9,37 @@ includes: [compareArray.js]
 ---*/
 
 // Unicode mode
-assert(compareArray(["f", "c"], "abcdef".match(/(?<=(?<a>\w){3})f/u)));
+assert.compareArray(["f", "c"], "abcdef".match(/(?<=(?<a>\w){3})f/u));
 assert.sameValue("c", "abcdef".match(/(?<=(?<a>\w){3})f/u).groups.a);
 assert.sameValue("b", "abcdef".match(/(?<=(?<a>\w){4})f/u).groups.a);
 assert.sameValue("a", "abcdef".match(/(?<=(?<a>\w)+)f/u).groups.a);
 assert.sameValue(null, "abcdef".match(/(?<=(?<a>\w){6})f/u));
 
-assert(compareArray(["f", ""], "abcdef".match(/((?<=\w{3}))f/u)));
-assert(compareArray(["f", ""], "abcdef".match(/(?<a>(?<=\w{3}))f/u)));
+assert.compareArray(["f", ""], "abcdef".match(/((?<=\w{3}))f/u));
+assert.compareArray(["f", ""], "abcdef".match(/(?<a>(?<=\w{3}))f/u));
 
-assert(compareArray(["f", undefined], "abcdef".match(/(?<!(?<a>\d){3})f/u)));
+assert.compareArray(["f", undefined], "abcdef".match(/(?<!(?<a>\d){3})f/u));
 assert.sameValue(null, "abcdef".match(/(?<!(?<a>\D){3})f/u));
 
-assert(compareArray(["f", undefined], "abcdef".match(/(?<!(?<a>\D){3})f|f/u)));
-assert(compareArray(["f", undefined], "abcdef".match(/(?<a>(?<!\D{3}))f|f/u)));
+assert.compareArray(["f", undefined], "abcdef".match(/(?<!(?<a>\D){3})f|f/u));
+assert.compareArray(["f", undefined], "abcdef".match(/(?<a>(?<!\D{3}))f|f/u));
 
 // Non-Unicode mode
-assert(compareArray(["f", "c"], "abcdef".match(/(?<=(?<a>\w){3})f/)));
+assert.compareArray(["f", "c"], "abcdef".match(/(?<=(?<a>\w){3})f/));
 assert.sameValue("c", "abcdef".match(/(?<=(?<a>\w){3})f/).groups.a);
 assert.sameValue("b", "abcdef".match(/(?<=(?<a>\w){4})f/).groups.a);
 assert.sameValue("a", "abcdef".match(/(?<=(?<a>\w)+)f/).groups.a);
 assert.sameValue(null, "abcdef".match(/(?<=(?<a>\w){6})f/));
 
-assert(compareArray(["f", ""], "abcdef".match(/((?<=\w{3}))f/)));
-assert(compareArray(["f", ""], "abcdef".match(/(?<a>(?<=\w{3}))f/)));
+assert.compareArray(["f", ""], "abcdef".match(/((?<=\w{3}))f/));
+assert.compareArray(["f", ""], "abcdef".match(/(?<a>(?<=\w{3}))f/));
 
-assert(compareArray(["f", undefined], "abcdef".match(/(?<!(?<a>\d){3})f/)));
+assert.compareArray(["f", undefined], "abcdef".match(/(?<!(?<a>\d){3})f/));
 assert.sameValue(null, "abcdef".match(/(?<!(?<a>\D){3})f/));
 
-assert(compareArray(["f", undefined], "abcdef".match(/(?<!(?<a>\D){3})f|f/)));
-assert(compareArray(["f", undefined], "abcdef".match(/(?<a>(?<!\D{3}))f|f/)));
+assert.compareArray(["f", undefined], "abcdef".match(/(?<!(?<a>\D){3})f|f/));
+assert.compareArray(["f", undefined], "abcdef".match(/(?<a>(?<!\D{3}))f|f/));
 
 // Even within a lookbehind, properties are created in left to right order
-assert(compareArray(["fst", "snd"],
-             Object.getOwnPropertyNames(
-                 /(?<=(?<fst>.)|(?<snd>.))/u.exec("abcd").groups)));
+assert.compareArray(["fst", "snd"], Object.getOwnPropertyNames(
+    /(?<=(?<fst>.)|(?<snd>.))/u.exec("abcd").groups));
diff --git a/test/built-ins/RegExp/named-groups/non-unicode-match.js b/test/built-ins/RegExp/named-groups/non-unicode-match.js
index 7904c75e43..aead1e3165 100644
--- a/test/built-ins/RegExp/named-groups/non-unicode-match.js
+++ b/test/built-ins/RegExp/named-groups/non-unicode-match.js
@@ -8,36 +8,35 @@ features: [regexp-named-groups]
 includes: [compareArray.js]
 ---*/
 
-assert(compareArray(["a", "a"], "bab".match(/(?<a>a)/)));
-assert(compareArray(["a", "a"], "bab".match(/(?<a42>a)/)));
-assert(compareArray(["a", "a"], "bab".match(/(?<_>a)/)));
-assert(compareArray(["a", "a"], "bab".match(/(?<$>a)/)));
-assert(compareArray(["bab", "a"], "bab".match(/.(?<$>a)./)));
-assert(compareArray(["bab", "a", "b"], "bab".match(/.(?<a>a)(.)/)));
-assert(compareArray(["bab", "a", "b"], "bab".match(/.(?<a>a)(?<b>.)/)));
-assert(compareArray(["bab", "ab"], "bab".match(/.(?<a>\w\w)/)));
-assert(compareArray(["bab", "bab"], "bab".match(/(?<a>\w\w\w)/)));
-assert(compareArray(["bab", "ba", "b"], "bab".match(/(?<a>\w\w)(?<b>\w)/)));
+assert.compareArray(["a", "a"], "bab".match(/(?<a>a)/));
+assert.compareArray(["a", "a"], "bab".match(/(?<a42>a)/));
+assert.compareArray(["a", "a"], "bab".match(/(?<_>a)/));
+assert.compareArray(["a", "a"], "bab".match(/(?<$>a)/));
+assert.compareArray(["bab", "a"], "bab".match(/.(?<$>a)./));
+assert.compareArray(["bab", "a", "b"], "bab".match(/.(?<a>a)(.)/));
+assert.compareArray(["bab", "a", "b"], "bab".match(/.(?<a>a)(?<b>.)/));
+assert.compareArray(["bab", "ab"], "bab".match(/.(?<a>\w\w)/));
+assert.compareArray(["bab", "bab"], "bab".match(/(?<a>\w\w\w)/));
+assert.compareArray(["bab", "ba", "b"], "bab".match(/(?<a>\w\w)(?<b>\w)/));
 
 let {a, b, c} = /(?<a>.)(?<b>.)(?<c>.)\k<c>\k<b>\k<a>/.exec("abccba").groups;
 assert.sameValue(a, "a");
 assert.sameValue(b, "b");
 assert.sameValue(c, "c");
 
-assert(compareArray("bab".match(/(a)/), "bab".match(/(?<a>a)/)));
-assert(compareArray("bab".match(/(a)/), "bab".match(/(?<a42>a)/)));
-assert(compareArray("bab".match(/(a)/), "bab".match(/(?<_>a)/)));
-assert(compareArray("bab".match(/(a)/), "bab".match(/(?<$>a)/)));
-assert(compareArray("bab".match(/.(a)./), "bab".match(/.(?<$>a)./)));
-assert(compareArray("bab".match(/.(a)(.)/), "bab".match(/.(?<a>a)(.)/)));
-assert(compareArray("bab".match(/.(a)(.)/), "bab".match(/.(?<a>a)(?<b>.)/)));
-assert(compareArray("bab".match(/.(\w\w)/), "bab".match(/.(?<a>\w\w)/)));
-assert(compareArray("bab".match(/(\w\w\w)/), "bab".match(/(?<a>\w\w\w)/)));
-assert(compareArray("bab".match(/(\w\w)(\w)/), "bab".match(/(?<a>\w\w)(?<b>\w)/)));
+assert.compareArray("bab".match(/(a)/), "bab".match(/(?<a>a)/));
+assert.compareArray("bab".match(/(a)/), "bab".match(/(?<a42>a)/));
+assert.compareArray("bab".match(/(a)/), "bab".match(/(?<_>a)/));
+assert.compareArray("bab".match(/(a)/), "bab".match(/(?<$>a)/));
+assert.compareArray("bab".match(/.(a)./), "bab".match(/.(?<$>a)./));
+assert.compareArray("bab".match(/.(a)(.)/), "bab".match(/.(?<a>a)(.)/));
+assert.compareArray("bab".match(/.(a)(.)/), "bab".match(/.(?<a>a)(?<b>.)/));
+assert.compareArray("bab".match(/.(\w\w)/), "bab".match(/.(?<a>\w\w)/));
+assert.compareArray("bab".match(/(\w\w\w)/), "bab".match(/(?<a>\w\w\w)/));
+assert.compareArray("bab".match(/(\w\w)(\w)/), "bab".match(/(?<a>\w\w)(?<b>\w)/));
 
-assert(compareArray(["bab", "b"], "bab".match(/(?<b>b).\1/)));
-assert(compareArray(["baba", "b", "a"], "baba".match(/(.)(?<a>a)\1\2/)));
-assert(compareArray(["baba", "b", "a", "b", "a"],
-    "baba".match(/(.)(?<a>a)(?<b>\1)(\2)/)));
-assert(compareArray(["<a", "<"], "<a".match(/(?<lt><)a/)));
-assert(compareArray([">a", ">"], ">a".match(/(?<gt>>)a/)));
+assert.compareArray(["bab", "b"], "bab".match(/(?<b>b).\1/));
+assert.compareArray(["baba", "b", "a"], "baba".match(/(.)(?<a>a)\1\2/));
+assert.compareArray(["baba", "b", "a", "b", "a"], "baba".match(/(.)(?<a>a)(?<b>\1)(\2)/));
+assert.compareArray(["<a", "<"], "<a".match(/(?<lt><)a/));
+assert.compareArray([">a", ">"], ">a".match(/(?<gt>>)a/));
diff --git a/test/built-ins/RegExp/named-groups/non-unicode-references.js b/test/built-ins/RegExp/named-groups/non-unicode-references.js
index 33d62a3f0a..237a596a6b 100644
--- a/test/built-ins/RegExp/named-groups/non-unicode-references.js
+++ b/test/built-ins/RegExp/named-groups/non-unicode-references.js
@@ -9,23 +9,23 @@ includes: [compareArray.js]
 ---*/
 
 // Named references.
-assert(compareArray(["bab", "b"], "bab".match(/(?<b>.).\k<b>/)));
+assert.compareArray(["bab", "b"], "bab".match(/(?<b>.).\k<b>/));
 assert.sameValue(null, "baa".match(/(?<b>.).\k<b>/));
 
 // Reference inside group.
-assert(compareArray(["bab", "b"], "bab".match(/(?<a>\k<a>\w)../)));
+assert.compareArray(["bab", "b"], "bab".match(/(?<a>\k<a>\w)../));
 assert.sameValue("b", "bab".match(/(?<a>\k<a>\w)../).groups.a);
 
 // Reference before group.
-assert(compareArray(["bab", "b"], "bab".match(/\k<a>(?<a>b)\w\k<a>/)));
+assert.compareArray(["bab", "b"], "bab".match(/\k<a>(?<a>b)\w\k<a>/));
 assert.sameValue("b", "bab".match(/\k<a>(?<a>b)\w\k<a>/).groups.a);
-assert(compareArray(["bab", "b", "a"], "bab".match(/(?<b>b)\k<a>(?<a>a)\k<b>/)));
+assert.compareArray(["bab", "b", "a"], "bab".match(/(?<b>b)\k<a>(?<a>a)\k<b>/));
 let {a, b} = "bab".match(/(?<b>b)\k<a>(?<a>a)\k<b>/).groups;
 assert.sameValue(a, "a");
 assert.sameValue(b, "b");
 
-assert(compareArray(["bab", "b"], "bab".match(/\k<a>(?<a>b)\w\k<a>/)));
-assert(compareArray(["bab", "b", "a"], "bab".match(/(?<b>b)\k<a>(?<a>a)\k<b>/)));
+assert.compareArray(["bab", "b"], "bab".match(/\k<a>(?<a>b)\w\k<a>/));
+assert.compareArray(["bab", "b", "a"], "bab".match(/(?<b>b)\k<a>(?<a>a)\k<b>/));
 
 // Reference properties.
 assert.sameValue("a", /(?<a>a)(?<b>b)\k<a>/.exec("aba").groups.a);
diff --git a/test/built-ins/RegExp/named-groups/unicode-match.js b/test/built-ins/RegExp/named-groups/unicode-match.js
index a8e1059bdb..38edd555b2 100644
--- a/test/built-ins/RegExp/named-groups/unicode-match.js
+++ b/test/built-ins/RegExp/named-groups/unicode-match.js
@@ -8,41 +8,39 @@ features: [regexp-named-groups]
 includes: [compareArray.js]
 ---*/
 
-assert(compareArray(["a", "a"], "bab".match(/(?<a>a)/u)));
-assert(compareArray(["a", "a"], "bab".match(/(?<a42>a)/u)));
-assert(compareArray(["a", "a"], "bab".match(/(?<_>a)/u)));
-assert(compareArray(["a", "a"], "bab".match(/(?<$>a)/u)));
-assert(compareArray(["bab", "a"], "bab".match(/.(?<$>a)./u)));
-assert(compareArray(["bab", "a", "b"], "bab".match(/.(?<a>a)(.)/u)));
-assert(compareArray(["bab", "a", "b"], "bab".match(/.(?<a>a)(?<b>.)/u)));
-assert(compareArray(["bab", "ab"], "bab".match(/.(?<a>\w\w)/u)));
-assert(compareArray(["bab", "bab"], "bab".match(/(?<a>\w\w\w)/u)));
-assert(compareArray(["bab", "ba", "b"], "bab".match(/(?<a>\w\w)(?<b>\w)/u)));
+assert.compareArray(["a", "a"], "bab".match(/(?<a>a)/u));
+assert.compareArray(["a", "a"], "bab".match(/(?<a42>a)/u));
+assert.compareArray(["a", "a"], "bab".match(/(?<_>a)/u));
+assert.compareArray(["a", "a"], "bab".match(/(?<$>a)/u));
+assert.compareArray(["bab", "a"], "bab".match(/.(?<$>a)./u));
+assert.compareArray(["bab", "a", "b"], "bab".match(/.(?<a>a)(.)/u));
+assert.compareArray(["bab", "a", "b"], "bab".match(/.(?<a>a)(?<b>.)/u));
+assert.compareArray(["bab", "ab"], "bab".match(/.(?<a>\w\w)/u));
+assert.compareArray(["bab", "bab"], "bab".match(/(?<a>\w\w\w)/u));
+assert.compareArray(["bab", "ba", "b"], "bab".match(/(?<a>\w\w)(?<b>\w)/u));
 
 let {a, b, c} = /(?<a>.)(?<b>.)(?<c>.)\k<c>\k<b>\k<a>/u.exec("abccba").groups;
 assert.sameValue(a, "a");
 assert.sameValue(b, "b");
 assert.sameValue(c, "c");
 
-assert(compareArray("bab".match(/(a)/u), "bab".match(/(?<a>a)/u)));
-assert(compareArray("bab".match(/(a)/u), "bab".match(/(?<a42>a)/u)));
-assert(compareArray("bab".match(/(a)/u), "bab".match(/(?<_>a)/u)));
-assert(compareArray("bab".match(/(a)/u), "bab".match(/(?<$>a)/u)));
-assert(compareArray("bab".match(/.(a)./u), "bab".match(/.(?<$>a)./u)));
-assert(compareArray("bab".match(/.(a)(.)/u), "bab".match(/.(?<a>a)(.)/u)));
-assert(compareArray("bab".match(/.(a)(.)/u), "bab".match(/.(?<a>a)(?<b>.)/u)));
-assert(compareArray("bab".match(/.(\w\w)/u), "bab".match(/.(?<a>\w\w)/u)));
-assert(compareArray("bab".match(/(\w\w\w)/u), "bab".match(/(?<a>\w\w\w)/u)));
-assert(compareArray("bab".match(/(\w\w)(\w)/u), "bab".match(/(?<a>\w\w)(?<b>\w)/u)));
+assert.compareArray("bab".match(/(a)/u), "bab".match(/(?<a>a)/u));
+assert.compareArray("bab".match(/(a)/u), "bab".match(/(?<a42>a)/u));
+assert.compareArray("bab".match(/(a)/u), "bab".match(/(?<_>a)/u));
+assert.compareArray("bab".match(/(a)/u), "bab".match(/(?<$>a)/u));
+assert.compareArray("bab".match(/.(a)./u), "bab".match(/.(?<$>a)./u));
+assert.compareArray("bab".match(/.(a)(.)/u), "bab".match(/.(?<a>a)(.)/u));
+assert.compareArray("bab".match(/.(a)(.)/u), "bab".match(/.(?<a>a)(?<b>.)/u));
+assert.compareArray("bab".match(/.(\w\w)/u), "bab".match(/.(?<a>\w\w)/u));
+assert.compareArray("bab".match(/(\w\w\w)/u), "bab".match(/(?<a>\w\w\w)/u));
+assert.compareArray("bab".match(/(\w\w)(\w)/u), "bab".match(/(?<a>\w\w)(?<b>\w)/u));
 
-assert(compareArray(["bab", "b"], "bab".match(/(?<b>b).\1/u)));
-assert(compareArray(["baba", "b", "a"], "baba".match(/(.)(?<a>a)\1\2/u)));
-assert(compareArray(["baba", "b", "a", "b", "a"],
-    "baba".match(/(.)(?<a>a)(?<b>\1)(\2)/u)));
-assert(compareArray(["<a", "<"], "<a".match(/(?<lt><)a/u)));
-assert(compareArray([">a", ">"], ">a".match(/(?<gt>>)a/u)));
+assert.compareArray(["bab", "b"], "bab".match(/(?<b>b).\1/u));
+assert.compareArray(["baba", "b", "a"], "baba".match(/(.)(?<a>a)\1\2/u));
+assert.compareArray(["baba", "b", "a", "b", "a"], "baba".match(/(.)(?<a>a)(?<b>\1)(\2)/u));
+assert.compareArray(["<a", "<"], "<a".match(/(?<lt><)a/u));
+assert.compareArray([">a", ">"], ">a".match(/(?<gt>>)a/u));
 
 // Nested groups.
-assert(compareArray(["bab", "bab", "ab", "b"], "bab".match(/(?<a>.(?<b>.(?<c>.)))/u)));
-assert(compareArray({a: "bab", b: "ab", c: "b"},
-             "bab".match(/(?<a>.(?<b>.(?<c>.)))/u).groups));
+assert.compareArray(["bab", "bab", "ab", "b"], "bab".match(/(?<a>.(?<b>.(?<c>.)))/u));
+assert.compareArray({a: "bab", b: "ab", c: "b"}, "bab".match(/(?<a>.(?<b>.(?<c>.)))/u).groups);
diff --git a/test/built-ins/RegExp/named-groups/unicode-references.js b/test/built-ins/RegExp/named-groups/unicode-references.js
index 1f95a2f40c..ab74b9c88b 100644
--- a/test/built-ins/RegExp/named-groups/unicode-references.js
+++ b/test/built-ins/RegExp/named-groups/unicode-references.js
@@ -22,23 +22,23 @@ includes: [compareArray.js]
 ---*/
 
 // Named references.
-assert(compareArray(["bab", "b"], "bab".match(/(?<b>.).\k<b>/u)));
+assert.compareArray(["bab", "b"], "bab".match(/(?<b>.).\k<b>/u));
 assert.sameValue(null, "baa".match(/(?<b>.).\k<b>/u));
 
 // Reference inside group.
-assert(compareArray(["bab", "b"], "bab".match(/(?<a>\k<a>\w)../u)));
+assert.compareArray(["bab", "b"], "bab".match(/(?<a>\k<a>\w)../u));
 assert.sameValue("b", "bab".match(/(?<a>\k<a>\w)../u).groups.a);
 
 // Reference before group.
-assert(compareArray(["bab", "b"], "bab".match(/\k<a>(?<a>b)\w\k<a>/u)));
+assert.compareArray(["bab", "b"], "bab".match(/\k<a>(?<a>b)\w\k<a>/u));
 assert.sameValue("b", "bab".match(/\k<a>(?<a>b)\w\k<a>/u).groups.a);
-assert(compareArray(["bab", "b", "a"], "bab".match(/(?<b>b)\k<a>(?<a>a)\k<b>/u)));
+assert.compareArray(["bab", "b", "a"], "bab".match(/(?<b>b)\k<a>(?<a>a)\k<b>/u));
 let {a, b} = "bab".match(/(?<b>b)\k<a>(?<a>a)\k<b>/u).groups;
 assert.sameValue(a, "a");
 assert.sameValue(b, "b");
 
-assert(compareArray(["bab", "b"], "bab".match(/\k<a>(?<a>b)\w\k<a>/)));
-assert(compareArray(["bab", "b", "a"], "bab".match(/(?<b>b)\k<a>(?<a>a)\k<b>/)));
+assert.compareArray(["bab", "b"], "bab".match(/\k<a>(?<a>b)\w\k<a>/));
+assert.compareArray(["bab", "b", "a"], "bab".match(/(?<b>b)\k<a>(?<a>a)\k<b>/));
 
 // Reference properties.
 assert.sameValue("a", /(?<a>a)(?<b>b)\k<a>/u.exec("aba").groups.a);