Skip ES3MapBufferRangeTest.ReadPixels on Linux AMD

On Linux AMD ES3MapBufferRangeTest.ReadPixels has begun failing
consistently reporting errors from the drivers. A device reboot did not
resolve this.

This change skips the test on that configuration while we look into the
root cause.

TEST= gl_tests_passthrough
      ES3MapBufferRangeTest.ReadPixels

Bug: angleproject:5213
Change-Id: I8a25c357d8eeea7bd6dc17023402bc84a6309e7e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2495042Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Reviewed-by: Jonathan Ross <jonross@chromium.org>
Commit-Queue: Jonathan Ross <jonross@chromium.org>
Cr-Commit-Position: refs/heads/master@{#820320}

gpu/command_buffer/tests/gl_map_buffer_range_unittest.cc

@@ -11,6 +11,7 @@
 #include "gpu/command_buffer/service/context_group.h"
 #include "gpu/command_buffer/tests/gl_manager.h"
 #include "gpu/command_buffer/tests/gl_test_utils.h"
+#include "gpu/config/gpu_test_config.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -291,6 +292,10 @@ TEST_F(ES3MapBufferRangeTest, ReadPixels) {
   if (ShouldSkipTest())
     return;
 
+  // TODO(crbug.com/angleproject/5213) consistent driver errors on this config.
+  if (GPUTestBotConfig::CurrentConfigMatches("Linux AMD"))
+    return;
+
   GLuint buffer = 0;
   glGenBuffers(1, &buffer);
   EXPECT_LT(0u, buffer);