message: TFLu: Fix micro_intepreter_test with ppd
diff: @@ -400,11 +400,8 @@ TF_LITE_MICRO_TEST(TestIncompleteInitializationAllocationsWithSmallArena) {
  // Interpreter fails because arena is too small:
  TF_LITE_MICRO_EXPECT_EQ(interpreter.Invoke(), kTfLiteError);
  - // The head will have some allocations because scratch buffer requests are
  - // stored in the head until memory plan is fully committed (e.g. model has to
  - // successfully allocate first).
  TF_LITE_MICRO_EXPECT_EQ(
  - static_cast<size_t>(128),
  + static_cast<size_t>(0),
  allocator->GetSimpleMemoryAllocator()->GetHeadUsedBytes());
  // Ensure allocations are zero (ignore tail since some internal structs are
  