diff --git a/test/ecmascript/assert/URL.html b/test/ecmascript/assert/URL.html
index 7244b80cd..c77fd2ce1 100644
--- a/test/ecmascript/assert/URL.html
+++ b/test/ecmascript/assert/URL.html
@@ -4,5 +4,5 @@ var url = new URL('https://www.example.com/cats');
 console.assert(url.pathname === '/cats', url.pathname);
 console.assert(url.protocol === 'https:', url.protocol);
 console.assert(url.hostname === 'www.example.com', url.hostname);
-console.exit(0);
+console.exit();
 </script>
diff --git a/test/ecmascript/assert/console.assert.html b/test/ecmascript/assert/console.assert.html
index d8d09d788..bfd0db3f4 100644
--- a/test/ecmascript/assert/console.assert.html
+++ b/test/ecmascript/assert/console.assert.html
@@ -2,5 +2,5 @@
 console.error("console.assert.html");
 console.assert(0 % 2 === 0, "O is not even");
 console.assert(1 % 2 === 0, "1 is not even");
-console.exit(0);
+console.exit();
 </script>
diff --git a/test/ecmascript/assert/customEvent.html b/test/ecmascript/assert/customEvent.html
index bede856ba..1fd3d6a82 100644
--- a/test/ecmascript/assert/customEvent.html
+++ b/test/ecmascript/assert/customEvent.html
@@ -8,5 +8,5 @@ e.preventDefault();
 console.assert(e.defaultPrevented, 'defaultPrevented true');
 console.assert(e.type === 'message', 'message');
 console.assert(e.detail.name === 'cat', 'cat');
-console.exit(0);
+console.exit();
 </script>
diff --git a/test/ecmascript/assert/doctype.publicId.html b/test/ecmascript/assert/doctype.publicId.html
index 6875eb79c..3caee055c 100644
--- a/test/ecmascript/assert/doctype.publicId.html
+++ b/test/ecmascript/assert/doctype.publicId.html
@@ -17,7 +17,7 @@ function myFunction() {
 }
 console.error("doctype.publicId.html");
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/doctype.systemId.html b/test/ecmascript/assert/doctype.systemId.html
index 92c198cb6..9bbb2e482 100644
--- a/test/ecmascript/assert/doctype.systemId.html
+++ b/test/ecmascript/assert/doctype.systemId.html
@@ -17,7 +17,7 @@ function myFunction() {
 }
 console.error("doctype.systemId.html");
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/document.anchors.html b/test/ecmascript/assert/document.anchors.html
index 0535c01e6..60cf99874 100644
--- a/test/ecmascript/assert/document.anchors.html
+++ b/test/ecmascript/assert/document.anchors.html
@@ -22,7 +22,7 @@ function myFunction() {
 
 console.error('document.anchors.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/document.baseURI.html b/test/ecmascript/assert/document.baseURI.html
index f44eb8413..f6d7017ac 100644
--- a/test/ecmascript/assert/document.baseURI.html
+++ b/test/ecmascript/assert/document.baseURI.html
@@ -13,7 +13,7 @@ function myFunction() {
 
 console.error('document.baseURI.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 </body>
 </html>
\ No newline at end of file
diff --git a/test/ecmascript/assert/document.body.childNodes.html b/test/ecmascript/assert/document.body.childNodes.html
index 68ac719ed..bb599875a 100644
--- a/test/ecmascript/assert/document.body.childNodes.html
+++ b/test/ecmascript/assert/document.body.childNodes.html
@@ -25,7 +25,7 @@ function myFunction() {
 
 console.error('document.body.childNodes');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/document.body.children.html b/test/ecmascript/assert/document.body.children.html
index 833228591..9fc9c52f2 100644
--- a/test/ecmascript/assert/document.body.children.html
+++ b/test/ecmascript/assert/document.body.children.html
@@ -22,7 +22,7 @@ function myFunction() {
 
 console.error('document.body.children');
 myFunction();
-console.exit(0);
+console.exit();
 
 </script>
 
diff --git a/test/ecmascript/assert/document.body.id.html b/test/ecmascript/assert/document.body.id.html
index 764ab422e..b561c22c4 100644
--- a/test/ecmascript/assert/document.body.id.html
+++ b/test/ecmascript/assert/document.body.id.html
@@ -17,7 +17,7 @@ function myFunction() {
 
 console.error('document.body.id.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/document.characterSet.html b/test/ecmascript/assert/document.characterSet.html
index 12803ad07..7d73d408b 100644
--- a/test/ecmascript/assert/document.characterSet.html
+++ b/test/ecmascript/assert/document.characterSet.html
@@ -18,7 +18,7 @@ function myFunction() {
 
 console.error('document.characterSet');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/document.doctype.html b/test/ecmascript/assert/document.doctype.html
index befb38bcb..35d335d5b 100644
--- a/test/ecmascript/assert/document.doctype.html
+++ b/test/ecmascript/assert/document.doctype.html
@@ -18,7 +18,7 @@ function myFunction() {
 
 console.error('document.doctype.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/document.documentElement.html b/test/ecmascript/assert/document.documentElement.html
index e363d7002..8b5f335af 100644
--- a/test/ecmascript/assert/document.documentElement.html
+++ b/test/ecmascript/assert/document.documentElement.html
@@ -17,7 +17,7 @@ function myFunction() {
 
 console.error('document.documentElement.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/document.documentURI.html b/test/ecmascript/assert/document.documentURI.html
index 239f6a311..2b434defe 100644
--- a/test/ecmascript/assert/document.documentURI.html
+++ b/test/ecmascript/assert/document.documentURI.html
@@ -13,7 +13,7 @@ function myFunction() {
 
 console.error('document.documentURI.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 </body>
 </html>
\ No newline at end of file
diff --git a/test/ecmascript/assert/document.domain.html b/test/ecmascript/assert/document.domain.html
index d5bc5c404..7978a4b9f 100644
--- a/test/ecmascript/assert/document.domain.html
+++ b/test/ecmascript/assert/document.domain.html
@@ -16,7 +16,7 @@ function myFunction() {
 
 console.error('document.domain.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/document.getElementsByClassName.html b/test/ecmascript/assert/document.getElementsByClassName.html
index e4138de93..a03228f1a 100644
--- a/test/ecmascript/assert/document.getElementsByClassName.html
+++ b/test/ecmascript/assert/document.getElementsByClassName.html
@@ -19,7 +19,7 @@ function myFunction() {
 
 console.error('document.getElementsByClassName.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/document.getElementsByName.html b/test/ecmascript/assert/document.getElementsByName.html
index c90483982..e2e0ec855 100644
--- a/test/ecmascript/assert/document.getElementsByName.html
+++ b/test/ecmascript/assert/document.getElementsByName.html
@@ -19,7 +19,7 @@ function myFunction() {
 
 console.error('document.getElementsByName.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/document.getElementsByTagName.html b/test/ecmascript/assert/document.getElementsByTagName.html
index af272f27a..17dd9682c 100644
--- a/test/ecmascript/assert/document.getElementsByTagName.html
+++ b/test/ecmascript/assert/document.getElementsByTagName.html
@@ -19,7 +19,7 @@ function myFunction() {
 
 console.error('document.getElementsByTagName.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/document.head.html b/test/ecmascript/assert/document.head.html
index 8c405e7e9..c8ea2feef 100644
--- a/test/ecmascript/assert/document.head.html
+++ b/test/ecmascript/assert/document.head.html
@@ -18,7 +18,7 @@ function myFunction() {
 
 console.error('document.head.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/document.images.html b/test/ecmascript/assert/document.images.html
index 284286aa8..b1449da13 100644
--- a/test/ecmascript/assert/document.images.html
+++ b/test/ecmascript/assert/document.images.html
@@ -19,7 +19,7 @@ function myFunction() {
 
 console.error('document.images.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/document.links.html b/test/ecmascript/assert/document.links.html
index f63e0ed1d..b7b0e4bd5 100644
--- a/test/ecmascript/assert/document.links.html
+++ b/test/ecmascript/assert/document.links.html
@@ -31,7 +31,7 @@ function myFunction() {
 
 console.error('document.links.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/document.querySelector.html b/test/ecmascript/assert/document.querySelector.html
index 7f21815c2..6403de021 100644
--- a/test/ecmascript/assert/document.querySelector.html
+++ b/test/ecmascript/assert/document.querySelector.html
@@ -17,7 +17,7 @@ function myFunction() {
 
 console.error('document.querySelector.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/document.querySelectorAll.html b/test/ecmascript/assert/document.querySelectorAll.html
index c739695f1..856c9f94f 100644
--- a/test/ecmascript/assert/document.querySelectorAll.html
+++ b/test/ecmascript/assert/document.querySelectorAll.html
@@ -15,7 +15,7 @@ function myFunction() {
 
 console.error('document.querySelectorAll.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.appendChild.html b/test/ecmascript/assert/element.appendChild.html
index 9d0d26d17..f5a09de97 100644
--- a/test/ecmascript/assert/element.appendChild.html
+++ b/test/ecmascript/assert/element.appendChild.html
@@ -23,7 +23,7 @@ function myFunction() {
 }
 console.error('element.appendChild.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.attributes.html b/test/ecmascript/assert/element.attributes.html
index 713f3e27d..b3358b59f 100644
--- a/test/ecmascript/assert/element.attributes.html
+++ b/test/ecmascript/assert/element.attributes.html
@@ -19,7 +19,7 @@ function myFunction() {
 
 console.error('element.attributes.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.checked.html b/test/ecmascript/assert/element.checked.html
index 1ee4378e9..172cf0da5 100644
--- a/test/ecmascript/assert/element.checked.html
+++ b/test/ecmascript/assert/element.checked.html
@@ -22,7 +22,7 @@ function ch()
 
 console.error('element.checked.html');
 ch();
-console.exit(0);
+console.exit();
 </script>
 
 <button onclick="ch();">CLICK</button>
diff --git a/test/ecmascript/assert/element.childElementCount.html b/test/ecmascript/assert/element.childElementCount.html
index 79256e090..550064709 100644
--- a/test/ecmascript/assert/element.childElementCount.html
+++ b/test/ecmascript/assert/element.childElementCount.html
@@ -16,7 +16,7 @@ function bb()
 console.error('element.childElementCount.html');
 aa();
 bb();
-console.exit(0);
+console.exit();
 </script>
 <button onclick="return aa()">blabla child element count</button>
 <button onclick="return bb()">empty child element count</button>
diff --git a/test/ecmascript/assert/element.className.html b/test/ecmascript/assert/element.className.html
index 33a2a396e..d3308aa01 100644
--- a/test/ecmascript/assert/element.className.html
+++ b/test/ecmascript/assert/element.className.html
@@ -21,7 +21,7 @@ function bb()
 console.error('element.className.html');
 aa();
 bb();
-console.exit(0);
+console.exit();
 </script>
 <button onclick="return aa()">Click me!</button>
 <button onclick="return bb()">Set className to abc</button>
diff --git a/test/ecmascript/assert/element.cloneNode.html b/test/ecmascript/assert/element.cloneNode.html
index 25a9c0e85..9be388ff6 100644
--- a/test/ecmascript/assert/element.cloneNode.html
+++ b/test/ecmascript/assert/element.cloneNode.html
@@ -22,7 +22,7 @@ function myFunction() {
 
 console.error('element.cloneNode.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.closest.html b/test/ecmascript/assert/element.closest.html
index 8347f80dc..2ddca0737 100644
--- a/test/ecmascript/assert/element.closest.html
+++ b/test/ecmascript/assert/element.closest.html
@@ -18,7 +18,7 @@ console.assert(closes2 != null, 'not null');
 closes2 = element.closest("p.test");
 console.assert(closes2 === null, 'NULL');
 
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.contains.html b/test/ecmascript/assert/element.contains.html
index ce68554c8..3d8065da9 100644
--- a/test/ecmascript/assert/element.contains.html
+++ b/test/ecmascript/assert/element.contains.html
@@ -32,7 +32,7 @@ function myFunction() {
 
 console.error('element.contains.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.dir.html b/test/ecmascript/assert/element.dir.html
index 1904c345b..6b72a7382 100644
--- a/test/ecmascript/assert/element.dir.html
+++ b/test/ecmascript/assert/element.dir.html
@@ -24,7 +24,7 @@ function bb()
 console.error('element.dir.html');
 aa();
 bb();
-console.exit(0);
+console.exit();
 </script>
 <button onclick="return aa()">Click me!</button>
 <button onclick="return bb()">blabla.dir = ltr</button>
diff --git a/test/ecmascript/assert/element.eventListener.html b/test/ecmascript/assert/element.eventListener.html
index 6af46e07c..ab5d04e1c 100644
--- a/test/ecmascript/assert/element.eventListener.html
+++ b/test/ecmascript/assert/element.eventListener.html
@@ -6,7 +6,7 @@
 function ff(ev)
 {
     console.assert(ev.type === 'message', ev.type);
-    console.exit(0);
+    console.exit();
 }
 
 var e = new Event('message', { cancelable: true });
diff --git a/test/ecmascript/assert/element.firstChild.html b/test/ecmascript/assert/element.firstChild.html
index 31c437c46..a81c38ad7 100644
--- a/test/ecmascript/assert/element.firstChild.html
+++ b/test/ecmascript/assert/element.firstChild.html
@@ -14,7 +14,7 @@ function aa()
 
 console.error('element.firstChild.html');
 aa();
-console.exit(0);
+console.exit();
 </script>
 <button onclick="return aa()">Click me!</button>
 </body>
diff --git a/test/ecmascript/assert/element.firstElementChild.html b/test/ecmascript/assert/element.firstElementChild.html
index 18f2cbeaa..fb6bee3b9 100644
--- a/test/ecmascript/assert/element.firstElementChild.html
+++ b/test/ecmascript/assert/element.firstElementChild.html
@@ -14,7 +14,7 @@ function aa()
 
 console.error('element.firstElementChild');
 aa();
-console.exit(0);
+console.exit();
 </script>
 <button onclick="return aa()">blabla firstElementChild outerHTML</button>
 </body>
diff --git a/test/ecmascript/assert/element.getAttribute.html b/test/ecmascript/assert/element.getAttribute.html
index 015076bc7..8595020c7 100644
--- a/test/ecmascript/assert/element.getAttribute.html
+++ b/test/ecmascript/assert/element.getAttribute.html
@@ -22,7 +22,7 @@ function bb()
 console.error('element.getAttribute.html');
 aa();
 bb();
-console.exit(0);
+console.exit();
 </script>
 <button onclick="return aa()">blabla rel nofollow</button>
 <button onclick="return bb()">ble href null</button>
diff --git a/test/ecmascript/assert/element.getAttributeNode.html b/test/ecmascript/assert/element.getAttributeNode.html
index 6c5ea26f8..cca121110 100644
--- a/test/ecmascript/assert/element.getAttributeNode.html
+++ b/test/ecmascript/assert/element.getAttributeNode.html
@@ -21,7 +21,7 @@ function myFunction() {
 
 console.error('element.getAttributeNode.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 </body>
 </html>
diff --git a/test/ecmascript/assert/element.getElementsByTagName.html b/test/ecmascript/assert/element.getElementsByTagName.html
index c13d43ddf..17f225425 100644
--- a/test/ecmascript/assert/element.getElementsByTagName.html
+++ b/test/ecmascript/assert/element.getElementsByTagName.html
@@ -19,7 +19,7 @@ function myFunction() {
 
 console.error('element.getElementByTagName.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.hasAttribute.html b/test/ecmascript/assert/element.hasAttribute.html
index 3d3588b8d..a48a72e04 100644
--- a/test/ecmascript/assert/element.hasAttribute.html
+++ b/test/ecmascript/assert/element.hasAttribute.html
@@ -22,7 +22,7 @@ function bb()
 console.error('element.hasAttribute.html');
 aa();
 bb();
-console.exit(0);
+console.exit();
 </script>
 <button onclick="return aa()">blabla rel true</button>
 <button onclick="return bb()">ble href false</button>
diff --git a/test/ecmascript/assert/element.hasAttributes.html b/test/ecmascript/assert/element.hasAttributes.html
index 69ccd9e1f..65f125f77 100644
--- a/test/ecmascript/assert/element.hasAttributes.html
+++ b/test/ecmascript/assert/element.hasAttributes.html
@@ -15,7 +15,7 @@ function aa()
 
 console.error('element.hasAttributes.html');
 aa();
-console.exit(0);
+console.exit();
 </script>
 <button onclick="return aa()">blabla has attributes</button>
 </body>
diff --git a/test/ecmascript/assert/element.hasChildNodes.html b/test/ecmascript/assert/element.hasChildNodes.html
index ad1b52ec9..e960178f8 100644
--- a/test/ecmascript/assert/element.hasChildNodes.html
+++ b/test/ecmascript/assert/element.hasChildNodes.html
@@ -25,7 +25,7 @@ function myFunction() {
 
 console.error('element.hasChildNodes.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.id.html b/test/ecmascript/assert/element.id.html
index 86b213d13..06c5ff2eb 100644
--- a/test/ecmascript/assert/element.id.html
+++ b/test/ecmascript/assert/element.id.html
@@ -8,7 +8,7 @@ console.error('element.id.html');
 console.assert(document.getElementById('blabla').innerHTML === 'AAAAA', 'AAAAA');
 document.getElementsByTagName("A")[0].id = 'test';
 console.assert(document.getElementById('test').innerHTML === 'inner', 'inner');
-console.exit(0);
+console.exit();
 </script>
 </body>
 </html>
diff --git a/test/ecmascript/assert/element.innerHTML.html b/test/ecmascript/assert/element.innerHTML.html
index a944e813d..22242789f 100644
--- a/test/ecmascript/assert/element.innerHTML.html
+++ b/test/ecmascript/assert/element.innerHTML.html
@@ -25,7 +25,7 @@ function bb()
 console.error('element.innerHTML.html');
 aa();
 bb();
-console.exit(0);
+console.exit();
 </script>
 <button onclick="return aa()">Click me!</button>
 <button onclick="return bb()">innerText test</button>
diff --git a/test/ecmascript/assert/element.insertBefore.html b/test/ecmascript/assert/element.insertBefore.html
index 07484b83a..1c17b9d6f 100644
--- a/test/ecmascript/assert/element.insertBefore.html
+++ b/test/ecmascript/assert/element.insertBefore.html
@@ -26,7 +26,7 @@ function myFunction() {
 
 console.error('element.insertBefore.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.isEqualNode.html b/test/ecmascript/assert/element.isEqualNode.html
index 0c743a63c..51573e042 100644
--- a/test/ecmascript/assert/element.isEqualNode.html
+++ b/test/ecmascript/assert/element.isEqualNode.html
@@ -30,7 +30,7 @@ function testFunction(x, y, expected) {
 console.error('element.isEqualNode.html');
 testFunction('myList1', 'myList2', false);
 testFunction('myList1', 'myList3', true);
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.isSameNode.html b/test/ecmascript/assert/element.isSameNode.html
index 2ca507dbf..a45d34477 100644
--- a/test/ecmascript/assert/element.isSameNode.html
+++ b/test/ecmascript/assert/element.isSameNode.html
@@ -24,7 +24,7 @@ function myFunction() {
 
 console.error('element.isSameNode.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.lang.html b/test/ecmascript/assert/element.lang.html
index 41359e911..8ff2d1483 100644
--- a/test/ecmascript/assert/element.lang.html
+++ b/test/ecmascript/assert/element.lang.html
@@ -22,7 +22,7 @@ function bb()
 console.error('element.lang.html');
 testaa('en');
 bb();
-console.exit(0);
+console.exit();
 </script>
 <button onclick="return aa()">Click me!</button>
 <button onclick="return bb()">Set lang to pl</button>
diff --git a/test/ecmascript/assert/element.lastChild.html b/test/ecmascript/assert/element.lastChild.html
index 2a64c283e..7b695527b 100644
--- a/test/ecmascript/assert/element.lastChild.html
+++ b/test/ecmascript/assert/element.lastChild.html
@@ -13,7 +13,7 @@ function aa()
 
 console.error('element.lastChild.html');
 aa();
-console.exit(0);
+console.exit();
 </script>
 <button onclick="return aa()">Click me!</button>
 </body>
diff --git a/test/ecmascript/assert/element.lastElementChild.html b/test/ecmascript/assert/element.lastElementChild.html
index bdfba0ffe..c24bb9686 100644
--- a/test/ecmascript/assert/element.lastElementChild.html
+++ b/test/ecmascript/assert/element.lastElementChild.html
@@ -14,7 +14,7 @@ function aa()
 
 console.error('element.lastElementChild.html');
 aa();
-console.exit(0);
+console.exit();
 </script>
 <button onclick="return aa()">blabla lastElementChild outerHTML</button>
 </body>
diff --git a/test/ecmascript/assert/element.matches.html b/test/ecmascript/assert/element.matches.html
index 90581a281..ba66eeddb 100644
--- a/test/ecmascript/assert/element.matches.html
+++ b/test/ecmascript/assert/element.matches.html
@@ -28,6 +28,6 @@ console.error('element.matches.html');
 //  });
 //  console.assert(counter === 3, 'Three');
 
-console.exit(0);
+console.exit();
 
 </script>
diff --git a/test/ecmascript/assert/element.namedItem.html b/test/ecmascript/assert/element.namedItem.html
index 9721bac92..70db962a4 100644
--- a/test/ecmascript/assert/element.namedItem.html
+++ b/test/ecmascript/assert/element.namedItem.html
@@ -20,7 +20,7 @@ function myFunction() {
 
 console.error('element.namedItem.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.nextElementSibling.html b/test/ecmascript/assert/element.nextElementSibling.html
index 4bca685c1..76a04866c 100644
--- a/test/ecmascript/assert/element.nextElementSibling.html
+++ b/test/ecmascript/assert/element.nextElementSibling.html
@@ -25,7 +25,7 @@ function myFunction() {
 
 console.error("element.nextElementSibling.html");
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.nextSibling.html b/test/ecmascript/assert/element.nextSibling.html
index 3dc79c14a..03a82ced9 100644
--- a/test/ecmascript/assert/element.nextSibling.html
+++ b/test/ecmascript/assert/element.nextSibling.html
@@ -25,7 +25,7 @@ function myFunction() {
 
 console.error("element.nextSibling.html");
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.nodeName.html b/test/ecmascript/assert/element.nodeName.html
index 817af868f..a888ca595 100644
--- a/test/ecmascript/assert/element.nodeName.html
+++ b/test/ecmascript/assert/element.nodeName.html
@@ -15,7 +15,7 @@ function myFunction() {
 }
 console.error("element.nodeName.html");
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.nodeType.html b/test/ecmascript/assert/element.nodeType.html
index a80290529..dac7858f5 100644
--- a/test/ecmascript/assert/element.nodeType.html
+++ b/test/ecmascript/assert/element.nodeType.html
@@ -15,7 +15,7 @@ function myFunction() {
 }
 console.error("element.nodeType.html");
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.nodeValue.html b/test/ecmascript/assert/element.nodeValue.html
index bf5ede455..c9ffefbc7 100644
--- a/test/ecmascript/assert/element.nodeValue.html
+++ b/test/ecmascript/assert/element.nodeValue.html
@@ -15,7 +15,7 @@ function myFunction() {
 }
 console.error("element.nodeValue.html");
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.outerHTML.html b/test/ecmascript/assert/element.outerHTML.html
index 339e69d6c..35c7751fc 100644
--- a/test/ecmascript/assert/element.outerHTML.html
+++ b/test/ecmascript/assert/element.outerHTML.html
@@ -26,7 +26,7 @@ function bb()
 console.error('element.outerHTML.html');
 aa();
 bb();
-console.exit(0);
+console.exit();
 </script>
 </body>
 </html>
diff --git a/test/ecmascript/assert/element.parentElement.html b/test/ecmascript/assert/element.parentElement.html
index 7d4f015c0..ece4d0fc7 100644
--- a/test/ecmascript/assert/element.parentElement.html
+++ b/test/ecmascript/assert/element.parentElement.html
@@ -22,7 +22,7 @@ function myFunction() {
 }
 console.error("element.parentElement.html");
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.parentNode.html b/test/ecmascript/assert/element.parentNode.html
index da2a6ae4b..c72a650eb 100644
--- a/test/ecmascript/assert/element.parentNode.html
+++ b/test/ecmascript/assert/element.parentNode.html
@@ -22,7 +22,7 @@ function myFunction() {
 }
 console.error("element.parentNode.html");
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.previousElementSibling.html b/test/ecmascript/assert/element.previousElementSibling.html
index 0d761a864..9d75fb057 100644
--- a/test/ecmascript/assert/element.previousElementSibling.html
+++ b/test/ecmascript/assert/element.previousElementSibling.html
@@ -24,7 +24,7 @@ function myFunction() {
 }
 console.error("element.previousElementSibling.html");
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.previousSibling.html b/test/ecmascript/assert/element.previousSibling.html
index 85254e924..bd092ca09 100644
--- a/test/ecmascript/assert/element.previousSibling.html
+++ b/test/ecmascript/assert/element.previousSibling.html
@@ -24,7 +24,7 @@ function myFunction() {
 }
 console.error("element.previousSibling.html");
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.querySelector.html b/test/ecmascript/assert/element.querySelector.html
index c1d93d5c3..604a1cf47 100644
--- a/test/ecmascript/assert/element.querySelector.html
+++ b/test/ecmascript/assert/element.querySelector.html
@@ -24,7 +24,7 @@ function myFunction() {
 
 console.error('element.querySelector.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.querySelectorAll.html b/test/ecmascript/assert/element.querySelectorAll.html
index e7dd4993d..acfdb59a0 100644
--- a/test/ecmascript/assert/element.querySelectorAll.html
+++ b/test/ecmascript/assert/element.querySelectorAll.html
@@ -20,7 +20,7 @@ function myFunction() {
 
 console.error('element.querySelectorAll.html');
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/element.setAttribute.html b/test/ecmascript/assert/element.setAttribute.html
index e7bdf0215..a73799865 100644
--- a/test/ecmascript/assert/element.setAttribute.html
+++ b/test/ecmascript/assert/element.setAttribute.html
@@ -25,7 +25,7 @@ function myFunction() {
 }
 console.error("element.setAttribute.html");
 myFunction();
-console.exit(0);
+console.exit();
 </script>
 
 </body>
diff --git a/test/ecmascript/assert/event.html b/test/ecmascript/assert/event.html
index a70aea245..2a3e2307c 100644
--- a/test/ecmascript/assert/event.html
+++ b/test/ecmascript/assert/event.html
@@ -8,5 +8,5 @@ console.assert(!e.defaultPrevented, 'false');
 e.preventDefault();
 console.assert(e.defaultPrevented, 'true');
 console.assert(e.type === 'message', 'message');
-console.exit(0);
+console.exit();
 </script>
diff --git a/test/ecmascript/assert/eventListener.html b/test/ecmascript/assert/eventListener.html
index 309b3b782..0ff76cca1 100644
--- a/test/ecmascript/assert/eventListener.html
+++ b/test/ecmascript/assert/eventListener.html
@@ -3,7 +3,7 @@
 function ff(ev)
 {
     console.assert(ev.type === 'message', ev.type);
-    console.exit(0);
+    console.exit();
 }
 
 var e = new Event('message', { cancelable: true });
diff --git a/test/ecmascript/assert/keyboardEvent.html b/test/ecmascript/assert/keyboardEvent.html
index 1fbbc4307..c2f55a7f2 100644
--- a/test/ecmascript/assert/keyboardEvent.html
+++ b/test/ecmascript/assert/keyboardEvent.html
@@ -13,5 +13,5 @@ console.assert(e.keyCode === 13, 'ENTER = 13');
 var e = new KeyboardEvent('keydown', { cancelable: true, key: "F12" });
 console.assert(e.keyCode === 123, e.keyCode);
 
-console.exit(0);
+console.exit();
 </script>
diff --git a/test/ecmascript/assert/navigator.appCodeName.html b/test/ecmascript/assert/navigator.appCodeName.html
index 34dbe410d..9fd811981 100644
--- a/test/ecmascript/assert/navigator.appCodeName.html
+++ b/test/ecmascript/assert/navigator.appCodeName.html
@@ -1,5 +1,5 @@
 <script>
 console.error("navigator.appCodeName.html");
 console.assert(navigator.appCodeName === 'Mozilla', 'Mozilla');
-console.exit(0);
+console.exit();
 </script>
diff --git a/test/ecmascript/assert/nodelist.forEach.html b/test/ecmascript/assert/nodelist.forEach.html
index e0342cffa..0d4595e00 100644
--- a/test/ecmascript/assert/nodelist.forEach.html
+++ b/test/ecmascript/assert/nodelist.forEach.html
@@ -17,6 +17,6 @@ birds.forEach(function(b) {
 });
 console.assert(counter === 3, counter);
 
-console.exit(0);
+console.exit();
 
 </script>