Unreviewed test gardening for macOS.

* platform/mac/TestExpectations: Land test expectations for rdar://problem/46000736.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@245482 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/LayoutTests/platform/mac/TestExpectations b/LayoutTests/platform/mac/TestExpectations
index f273f6d..819a2ff 100644
--- a/LayoutTests/platform/mac/TestExpectations
+++ b/LayoutTests/platform/mac/TestExpectations
@@ -1760,7 +1760,6 @@
 webgl/2.0.0/conformance/rendering/many-draw-calls.html [ Slow ]
 webgl/2.0.0/conformance/rendering/multisample-corruption.html [ Slow ]
 webgl/2.0.0/conformance2/attribs/gl-vertexattribipointer.html [ Slow ]
-webgl/2.0.0/conformance2/textures/misc/copy-texture-image-luma-format.html [ Slow ]
 
 webkit.org/b/176929 [ Mojave+ ] imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/ready-states/autoplay-with-slow-text-tracks.html [ Pass Failure ]
 
@@ -1893,3 +1892,38 @@
 webkit.org/b/136627 [ Mojave ] media/track/track-cue-rendering-vertical.html [ Failure ]
 
 webkit.org/b/175678 media/W3C/video/events/event_progress.html [ Pass Failure ]
+
+# <rdar://problem/46000736>
+[ Mojave+ ] webgl/2.0.0/conformance/extensions/angle-instanced-arrays.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/extensions/promoted-extensions-in-shaders.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/glsl3/array-as-return-value.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/glsl3/array-assign-constructor.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/glsl3/array-assign.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/glsl3/array-complex-indexing.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/glsl3/array-element-increment.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/glsl3/array-equality.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/glsl3/array-in-complex-expression.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/glsl3/bool-type-cast-bug-uint-ivec-uvec.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/glsl3/compare-structs-containing-arrays.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/glsl3/const-array-init.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/glsl3/frag-depth.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/glsl3/loops-with-side-effects.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/glsl3/short-circuiting-in-loop-condition.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/glsl3/tricky-loop-conditions.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/glsl3/unary-minus-operator-in-dynamic-loop.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/glsl3/vector-dynamic-indexing-nv-driver-bug.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/glsl3/vector-dynamic-indexing.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/reading/read-pixels-pack-parameters.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/renderbuffers/multisample-with-full-sample-counts.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/rendering/blitframebuffer-test.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/rendering/instanced-arrays.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/rendering/instanced-rendering-bug.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/textures/misc/copy-texture-image-luma-format.html [ Slow Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/textures/misc/integer-cubemap-specification-order-bug.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/textures/misc/integer-cubemap-texture-sampling.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/textures/misc/tex-mipmap-levels.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/textures/misc/tex-srgb-mipmap.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/textures/misc/tex-storage-2d.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/textures/misc/texel-fetch-undefined.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/textures/misc/texture-npot.html [ Failure ]
+[ Mojave+ ] webgl/2.0.0/conformance2/vertex_arrays/vertex-array-object.html [ Failure ]