Add workaround for glTex(Sub)Image3D on Intel Macs

content/test/gpu/gpu_tests/webgl2_conformance_expectations.py

Index: content/test/gpu/gpu_tests/webgl2_conformance_expectations.py
diff --git a/content/test/gpu/gpu_tests/webgl2_conformance_expectations.py b/content/test/gpu/gpu_tests/webgl2_conformance_expectations.py
index a94e6e0a171f370b8bd0a670b909070158965301..1761c9e77771aa774a7c4b8c847bb9ce66ab9973 100644
--- a/content/test/gpu/gpu_tests/webgl2_conformance_expectations.py
+++ b/content/test/gpu/gpu_tests/webgl2_conformance_expectations.py
@@ -476,12 +476,6 @@ class WebGL2ConformanceExpectations(WebGLConformanceExpectations):
     self.Fail('deqp/functional/gles3/texturespecification/' +
         'random_teximage2d_2d.html',
         ['mac', 'intel'], bug=483282)
-    self.Fail('deqp/functional/gles3/texturespecification/' +
-        'teximage3d_pbo_params.html',
-        ['mac', 'intel'], bug=483282)
-    self.Fail('deqp/functional/gles3/texturespecification/' +
-        'texsubimage3d_pbo_params.html',
-        ['mac', 'intel'], bug=483282)
 
     self.Fail('deqp/functional/gles3/shadertexturefunction/' +
         'texturelod.html',
@@ -500,9 +494,6 @@ class WebGL2ConformanceExpectations(WebGLConformanceExpectations):
     self.Fail('deqp/functional/gles3/framebufferblit/rect_04.html',
         ['mac', 'intel'], bug=483282)
 
-    self.Fail('conformance2/textures/misc/tex-unpack-params.html',
-        ['mac', 'intel'], bug=483282)
-
     # Linux only.
     self.Fail('conformance2/buffers/getBufferSubData.html',
         ['linux'], bug=654201)