diff --git a/modules/ve/init/mw/targets/ve.init.mw.ViewPageTarget.js b/modules/ve/init/mw/targets/ve.init.mw.ViewPageTarget.js
index 277dbf6f6e..b904879244 100644
--- a/modules/ve/init/mw/targets/ve.init.mw.ViewPageTarget.js
+++ b/modules/ve/init/mw/targets/ve.init.mw.ViewPageTarget.js
@@ -23,8 +23,7 @@ ve.init.mw.ViewPageTarget = function VeInitMwViewPageTarget() {
 			'use strict';
 			return this === undefined;
 		}() ),
-		// TODO: MW test runner fires before document.body exists, so we just skip it here.
-		supportsContentEditable = document.body && 'contentEditable' in document.body;
+		supportsContentEditable = 'contentEditable' in document.createElement( 'div' );
 
 	// Parent constructor
 	ve.init.mw.Target.call(
@@ -77,12 +76,14 @@ ve.init.mw.ViewPageTarget = function VeInitMwViewPageTarget() {
 	this.tabLayout = 'replace';
 
 	browserWhitelisted = (
-		$.client.test( ve.init.mw.ViewPageTarget.compatibility, null, true ) ||
-		'vewhitelist' in currentUri.query
+		currentUri.query.vewhitelist !== undefined ?
+			currentUri.query.vewhitelist === '1' :
+			$.client.test( ve.init.mw.ViewPageTarget.compatibility.whitelist, null, true )
 	);
 	browserBlacklisted = (
-		$.client.test( ve.init.mw.ViewPageTarget.compatibility, null, true ) ||
-		'veblacklist' in currentUri.query
+		currentUri.query.veblacklist !== undefined ?
+			currentUri.query.veblacklist === '1' :
+			$.client.test( ve.init.mw.ViewPageTarget.compatibility.blacklist, null, true )
 	);
 
 	// Events
@@ -100,8 +101,8 @@ ve.init.mw.ViewPageTarget = function VeInitMwViewPageTarget() {
 	} );
 
 	// Initialization
-	if ( supportsStrictMode && supportsContentEditable && !this.browserBlacklisted ) {
-		if ( !this.browserWhitelisted || true ) {
+	if ( supportsStrictMode && supportsContentEditable && !browserBlacklisted ) {
+		if ( !browserWhitelisted ) {
 			// show warning
 			this.localNoticeMessages.push( 'visualeditor-browserwarning' );
 		}
diff --git a/modules/ve/init/mw/ve.init.mw.Target.js b/modules/ve/init/mw/ve.init.mw.Target.js
index 542a1c4611..a2812e70c5 100644
--- a/modules/ve/init/mw/ve.init.mw.Target.js
+++ b/modules/ve/init/mw/ve.init.mw.Target.js
@@ -175,7 +175,7 @@ ve.init.mw.Target.onLoad = function ( response ) {
  * @static
  * @method
  */
-ve.init.mw.Target.onNoticesReady = function() {
+ve.init.mw.Target.onNoticesReady = function () {
 	var i, len, noticeHtmls, tmp, el;
 
 	// Since we're going to parse them, we might as well save these nodes
@@ -195,7 +195,7 @@ ve.init.mw.Target.onNoticesReady = function() {
 	document.body.appendChild( tmp );
 
 	// Merge locally and remotely generated notices
-	noticeHtmls = this.remoteNotices;
+	noticeHtmls = this.remoteNotices.slice( 0 );
 	for ( i = 0, len = this.localNoticeMessages.length; i < len; i++ ) {
 		noticeHtmls.push(
 			'<p>' + ve.init.platform.getParsedMessage( this.localNoticeMessages[i] ) + '</p>'