--- a/testing/web-platform/meta/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_14.html.ini
+++ b/testing/web-platform/meta/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_14.html.ini
@@ -1,3 +1,12 @@
 [drawimage_html_image_14.html]
   type: reftest
-  expected: FAIL
+  expected:
+    if debug and not stylo and not e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if not debug and not stylo and e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and not e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and not e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and not e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    FAIL

--- a/testing/web-platform/meta/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_15.html.ini
+++ b/testing/web-platform/meta/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_15.html.ini
@@ -1,3 +1,12 @@
 [drawimage_html_image_15.html]
   type: reftest
-  expected: FAIL
+  expected:
+    if debug and not stylo and not e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if not debug and not stylo and e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and not e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and not e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and not e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    FAIL

--- a/testing/web-platform/meta/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_3.html.ini
+++ b/testing/web-platform/meta/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_3.html.ini
@@ -1,3 +1,12 @@
 [drawimage_html_image_3.html]
   type: reftest
-  expected: FAIL
+  expected:
+    if debug and not stylo and not e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if not debug and not stylo and e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and not e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and not e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and not e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    FAIL

--- a/testing/web-platform/meta/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_4.html.ini
+++ b/testing/web-platform/meta/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_4.html.ini
@@ -1,3 +1,12 @@
 [drawimage_html_image_4.html]
   type: reftest
-  expected: FAIL
+  expected:
+    if debug and not stylo and not e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if not debug and not stylo and e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and not e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and not e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and not e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    FAIL

--- a/testing/web-platform/meta/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_5.html.ini
+++ b/testing/web-platform/meta/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_5.html.ini
@@ -1,3 +1,12 @@
 [drawimage_html_image_5.html]
   type: reftest
-  expected: FAIL
+  expected:
+    if debug and not stylo and not e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if not debug and not stylo and e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and not e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and not e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and not e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    FAIL

--- a/testing/web-platform/meta/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_6.html.ini
+++ b/testing/web-platform/meta/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_6.html.ini
@@ -1,3 +1,12 @@
 [drawimage_html_image_6.html]
   type: reftest
-  expected: FAIL
+  expected:
+    if debug and not stylo and not e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if not debug and not stylo and e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and not e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and not e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and not e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    FAIL

--- a/testing/web-platform/meta/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_7.html.ini
+++ b/testing/web-platform/meta/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_7.html.ini
@@ -1,3 +1,12 @@
 [drawimage_html_image_7.html]
   type: reftest
-  expected: FAIL
+  expected:
+    if debug and not stylo and not e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if not debug and not stylo and e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and not e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and not e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and not e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    FAIL

--- a/testing/web-platform/meta/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_8.html.ini
+++ b/testing/web-platform/meta/2dcontext/drawing-images-to-the-canvas/drawimage_html_image_8.html.ini
@@ -1,3 +1,12 @@
 [drawimage_html_image_8.html]
   type: reftest
-  expected: FAIL
+  expected:
+    if debug and not stylo and not e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if not debug and not stylo and e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and not e10s and (os == "win") and (version == "10.0.15063") and (processor == "x86_64") and (bits == 64): PASS
+    if debug and not stylo and not e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    if not debug and not stylo and not e10s and (os == "win") and (version == "6.1.7601") and (processor == "x86") and (bits == 32): PASS
+    FAIL

--- a/testing/web-platform/meta/html/browsers/the-window-object/security-window/window-security.html.ini
+++ b/testing/web-platform/meta/html/browsers/the-window-object/security-window/window-security.html.ini
@@ -3,8 +3,9 @@
   [A SecurityError exception must be thrown when window.oncancel is accessed from a different origin.]
     expected: FAIL
 
   [A SecurityError exception must be thrown when window.oncuechange is accessed from a different origin.]
     expected: FAIL
 
   [A SecurityError exception must be thrown when window.onmousewheel is accessed from a different origin.]
     expected: FAIL
+

deleted file mode 100644
--- a/testing/web-platform/meta/html/rendering/bindings/the-textarea-element-0/cols-zero.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[cols-zero.html]
-  type: reftest
-  expected:
-    if not debug and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL
-    if debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL

deleted file mode 100644
--- a/testing/web-platform/meta/html/rendering/bindings/the-textarea-element-0/rows-zero.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[rows-zero.html]
-  type: reftest
-  expected:
-    if not debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL
-    if debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL

deleted file mode 100644
--- a/testing/web-platform/meta/html/rendering/non-replaced-elements/lists/li-type-unsupported-lower-alpha.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[li-type-unsupported-lower-alpha.html]
-  type: reftest
-  expected:
-    if not debug and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL
-    if debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL

deleted file mode 100644
--- a/testing/web-platform/meta/html/rendering/non-replaced-elements/lists/li-type-unsupported-lower-roman.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[li-type-unsupported-lower-roman.html]
-  type: reftest
-  expected:
-    if not debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL
-    if debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL

deleted file mode 100644
--- a/testing/web-platform/meta/html/rendering/non-replaced-elements/lists/ol-type-unsupported-invalid.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[ol-type-unsupported-invalid.html]
-  type: reftest
-  expected:
-    if not debug and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL
-    if debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL

deleted file mode 100644
--- a/testing/web-platform/meta/html/rendering/non-replaced-elements/lists/ul-type-supported-xhtml.xhtml.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[ul-type-supported-xhtml.xhtml]
-  type: reftest
-  expected:
-    if not debug and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL
-    if debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL

deleted file mode 100644
--- a/testing/web-platform/meta/html/rendering/non-replaced-elements/lists/ul-type-supported.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[ul-type-supported.html]
-  type: reftest
-  expected:
-    if not debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL
-    if debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL

deleted file mode 100644
--- a/testing/web-platform/meta/html/rendering/non-replaced-elements/lists/ul-type-unsupported-invalid.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[ul-type-unsupported-invalid.html]
-  type: reftest
-  expected:
-    if not debug and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL
-    if debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL

deleted file mode 100644
--- a/testing/web-platform/meta/html/rendering/non-replaced-elements/tables/table-border-1.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[table-border-1.html]
-  type: reftest
-  expected:
-    if not debug and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL
-    if debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL

deleted file mode 100644
--- a/testing/web-platform/meta/html/rendering/non-replaced-elements/tables/table-border-2.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[table-border-2.html]
-  type: reftest
-  expected:
-    if not debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL
-    if debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL

--- a/testing/web-platform/meta/html/semantics/embedded-content/the-iframe-element/iframe-with-base.html.ini
+++ b/testing/web-platform/meta/html/semantics/embedded-content/the-iframe-element/iframe-with-base.html.ini
@@ -1,5 +1,4 @@
 [iframe-with-base.html]
   type: reftest
   expected:
     if not debug and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL
-    if debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL

--- a/testing/web-platform/meta/html/semantics/embedded-content/the-img-element/document-adopt-base-url.html.ini
+++ b/testing/web-platform/meta/html/semantics/embedded-content/the-img-element/document-adopt-base-url.html.ini
@@ -1,5 +1,4 @@
 [document-adopt-base-url.html]
   type: reftest
   expected:
     if not debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL
-    if debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL

--- a/testing/web-platform/meta/html/semantics/grouping-content/the-ol-element/reversed-1c.html.ini
+++ b/testing/web-platform/meta/html/semantics/grouping-content/the-ol-element/reversed-1c.html.ini
@@ -1,4 +1,5 @@
 [reversed-1c.html]
   type: reftest
   expected:
     if not debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL
+    if debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL

deleted file mode 100644
--- a/testing/web-platform/meta/intersection-observer/containing-block.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[containing-block.html]
-  type: testharness

deleted file mode 100644
--- a/testing/web-platform/meta/intersection-observer/remove-element.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[remove-element.html]
-  type: testharness

deleted file mode 100644
--- a/testing/web-platform/meta/intersection-observer/same-document-root.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[same-document-root.html]
-  type: testharness

--- a/testing/web-platform/meta/webvtt/rendering/cues-with-video/processing-model/bidi/u0041_first.html.ini
+++ b/testing/web-platform/meta/webvtt/rendering/cues-with-video/processing-model/bidi/u0041_first.html.ini
@@ -1,4 +1,5 @@
 [u0041_first.html]
   type: reftest
   expected:
     if not debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL
+    if debug and not stylo and e10s and (os == "mac") and (version == "OS X 10.10.5") and (processor == "x86_64") and (bits == 64): FAIL