Add a Linux/Intel suppression for CopyTextureTestES3.ES3UintFormats.

BUG=chromium:756087

Change-Id: If7d318d58ce46b52a810b1a96fcdbff57a787f86
Reviewed-on: https://chromium-review.googlesource.com/621408
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
diff --git a/src/tests/gl_tests/CopyTextureTest.cpp b/src/tests/gl_tests/CopyTextureTest.cpp
index 4a4184a..0097ca9 100644
--- a/src/tests/gl_tests/CopyTextureTest.cpp
+++ b/src/tests/gl_tests/CopyTextureTest.cpp
@@ -1239,6 +1239,8 @@
 // Test the newly added ES3 unsigned integer formats
 TEST_P(CopyTextureTestES3, ES3UintFormats)
 {
+    ANGLE_SKIP_TEST_IF(IsLinux() && IsOpenGL() && IsIntel());
+
     if (!checkExtensions())
     {
         return;