Bug 1717587 - Disable browser_tab_drag_drop_perwindow.js on Windows 7 webrender builds. r=mossop

Differential Revision: https://phabricator.services.mozilla.com/D119671

browser/base/content/test/general/browser.ini

@@ -299,6 +299,7 @@ skip-if = verify
 [browser_tab_detach_restore.js]
 # DO NOT ADD MORE TESTS HERE. USE A TOPICAL DIRECTORY INSTEAD.
 [browser_tab_drag_drop_perwindow.js]
+skip-if = os == "win" && os_version == "6.1" && webrender && bits == 32 # bug 1717587
 # DO NOT ADD MORE TESTS HERE. USE A TOPICAL DIRECTORY INSTEAD.
 [browser_tab_dragdrop.js]
 skip-if = true # Bug 1312436, Bug 1388973