WebGL CTS: add back supporession that was removed in bulk

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 e98d92a41a1f035ca866cd881fdf6ac53d9037bf..11f8b49d9c359b6bbe845827faf3e23484e545eb 100644
--- a/content/test/gpu/gpu_tests/webgl2_conformance_expectations.py
+++ b/content/test/gpu/gpu_tests/webgl2_conformance_expectations.py
@@ -500,6 +500,8 @@ class WebGL2ConformanceExpectations(WebGLConformanceExpectations):
     # Linux Intel with ANGLE only
     self.Fail('conformance2/textures/misc/copy-texture-image-luma-format.html',
         ['linux', 'intel', 'opengl'], bug=1492) # ANGLE bug id
+    self.Fail('deqp/functional/gles3/framebufferblit/conversion_07.html',
+        ['linux', 'intel', 'opengl'], bug=598902)
 
     # Linux AMD only.
     # It looks like AMD shader compiler rejects many valid ES3 semantics.