message: Disable a test case in params_test for CPU.
  This test has thousands of parameters, and the resulting graph takes take too long
  to compile on the CPU backend.
diff: @@ -349,10 +349,10 @@ XLA_TEST_F(ParamsTest, DISABLED_ON_CPU(DISABLED_ON_GPU(
  // }
  // result = {p0, p1, ..., pN}
  //
  -// TODO(b/70173746): Times out during compilation on GPU and CPU-parallel
  -// backend as of 2017-12-03.
  -XLA_TEST_F(ParamsTest, DISABLED_ON_CPU_PARALLEL(
  - DISABLED_ON_GPU(ManyParametersIntoWhileLoop))) {
  +// TODO(b/70173746): Times out during compilation on GPU and CPU backends as of
  +// 2017-12-12.
  +XLA_TEST_F(ParamsTest,
  + DISABLED_ON_CPU(DISABLED_ON_GPU(ManyParametersIntoWhileLoop))) {
  ComputationBuilder builder(client_, TestName());
  std::vector<std::unique_ptr<GlobalData>> param_data_owner;
  