diff --git a/editor/libeditor/text/tests/test_bug597331.html b/editor/libeditor/text/tests/test_bug597331.html
index 9e7286600cad..f1e0e21976cc 100644
--- a/editor/libeditor/text/tests/test_bug597331.html
+++ b/editor/libeditor/text/tests/test_bug597331.html
@@ -24,8 +24,9 @@ line3
 
 /** Test for Bug 597331 **/
 
-// Bug 718316: This test fails on Windows 7
-if (navigator.userAgent.indexOf("Windows NT 6.1") == -1) {
+// Bug 718316: This test fails on Windows 7 and 8
+if (navigator.userAgent.indexOf("Windows NT 6.1") == -1 &&
+    navigator.userAgent.indexOf("Windows NT 6.2") == -1) {
 
 SimpleTest.waitForExplicitFinish();
 addLoadEvent(function() {
diff --git a/editor/libeditor/text/tests/test_bug600570.html b/editor/libeditor/text/tests/test_bug600570.html
index e30de782935a..11cf1936d88f 100644
--- a/editor/libeditor/text/tests/test_bug600570.html
+++ b/editor/libeditor/text/tests/test_bug600570.html
@@ -23,8 +23,9 @@ aaa
 
 /** Test for Bug 600570 **/
 
-// Bug 718316: This test fails on Windows 7
-if (navigator.userAgent.indexOf("Windows NT 6.1") == -1) {
+// Bug 718316: This test fails on Windows 7 and 8
+if (navigator.userAgent.indexOf("Windows NT 6.1") == -1 &&
+    navigator.userAgent.indexOf("Windows NT 6.2") == -1) {
 
 SimpleTest.waitForExplicitFinish();
 SimpleTest.waitForFocus(function() {