Created attachment 207086 [details] fast results Some fast test has different text result on normal xvfb based bots and on pixelbot. fast/animation/request-animation-frame-too-rapid.html fast/borders/rtl-border-05.html fast/dom/34176.html fast/dom/Window/window-resize-and-move-arguments.html fast/forms/HTMLOptionElement_label06.html fast/forms/HTMLOptionElement_label07.html fast/forms/form-element-geometry.html fast/forms/listbox-bidi-align.html fast/forms/menulist-separator-painting.html fast/forms/search-rtl.html fast/forms/select-baseline.html fast/forms/selectlist-minsize.html fast/inline/inline-box-background-long-image.html fast/inline/inline-box-background-repeat-x.html fast/inline/inline-box-background-repeat-y.html fast/inline/inline-box-background.html fast/text/international/bidi-ignored-for-first-child-inline.html fast/text/international/unicode-bidi-plaintext-in-textarea.html