message: Make multioutput fuison test GPU only.
diff: @@ -1892,6 +1892,7 @@ xla_test(
  xla_test(
  name = "multioutput_fusion_test",
  srcs = ["multioutput_fusion_test.cc"],
  + backends = ["gpu"],
  deps = [
  "//tensorflow/compiler/xla:literal",
  "//tensorflow/compiler/xla:shape_util",
  