diff --git a/tests/wpt/mozilla/meta/mozilla/webgl/draw_arrays_simple.html.ini b/tests/wpt/mozilla/meta/mozilla/webgl/draw_arrays_simple.html.ini
index a2e2bcbe38c..7acc6858c99 100644
--- a/tests/wpt/mozilla/meta/mozilla/webgl/draw_arrays_simple.html.ini
+++ b/tests/wpt/mozilla/meta/mozilla/webgl/draw_arrays_simple.html.ini
@@ -2,3 +2,4 @@
   type: testharness
   disabled:
     if os == "linux": https://github.com/servo/servo/issues/7931
+    if os == "mac": https://github.com/servo/servo/issues/8486
diff --git a/tests/wpt/mozilla/meta/mozilla/webgl/tex_image_2d_canvas.html.ini b/tests/wpt/mozilla/meta/mozilla/webgl/tex_image_2d_canvas.html.ini
index 607db76d5b0..61aa93410a8 100644
--- a/tests/wpt/mozilla/meta/mozilla/webgl/tex_image_2d_canvas.html.ini
+++ b/tests/wpt/mozilla/meta/mozilla/webgl/tex_image_2d_canvas.html.ini
@@ -2,3 +2,4 @@
   type: testharness
   disabled:
     if os == "linux": https://github.com/servo/servo/issues/7931
+    if os == "mac": https://github.com/servo/servo/issues/8486
diff --git a/tests/wpt/mozilla/meta/mozilla/webgl/tex_image_2d_canvas2d.html.ini b/tests/wpt/mozilla/meta/mozilla/webgl/tex_image_2d_canvas2d.html.ini
index 7ac62f03efb..b9806cb8059 100644
--- a/tests/wpt/mozilla/meta/mozilla/webgl/tex_image_2d_canvas2d.html.ini
+++ b/tests/wpt/mozilla/meta/mozilla/webgl/tex_image_2d_canvas2d.html.ini
@@ -2,3 +2,4 @@
   type: testharness
   disabled:
     if os == "linux": https://github.com/servo/servo/issues/7931
+    if os == "mac": https://github.com/servo/servo/issues/8486
diff --git a/tests/wpt/mozilla/meta/mozilla/webgl/tex_image_2d_simple.html.ini b/tests/wpt/mozilla/meta/mozilla/webgl/tex_image_2d_simple.html.ini
index 6e8ee6ab2c1..17c41b8f383 100644
--- a/tests/wpt/mozilla/meta/mozilla/webgl/tex_image_2d_simple.html.ini
+++ b/tests/wpt/mozilla/meta/mozilla/webgl/tex_image_2d_simple.html.ini
@@ -2,3 +2,4 @@
   type: testharness
   disabled:
     if os == "linux": https://github.com/servo/servo/issues/7931
+    if os == "mac": https://github.com/servo/servo/issues/8486