fix: Minor bugfix in partitioning test

- Partitioning test incorrectly expected 1 conditional engine, but got 2
since `log_sigmoid` operator is not currently supported

Author: gs-olive

tests/core/partitioning/test_conditionals.cpp

@@ -35,12 +35,13 @@ TEST(Partitioning, FallbackOnConditionalsCorrectly) {
   auto g = mod.get_method("forward").graph();
   torch_tensorrt::core::CompileSpec cfg(inputs);
   cfg.partitioning_info.enabled = true;
+  cfg.partitioning_info.forced_fallback_operators.push_back("aten::log_sigmoid");
   torch::jit::script::Module new_mod = torch_tensorrt::core::CompileGraph(mod, cfg);
   auto new_g = new_mod.get_method("forward").graph();
 
   auto conditional_engines_count = count_trt_engines_in_conditionals(new_g);
 
-  ASSERT_TRUE(conditional_engines_count == 1);
+  ASSERT_TRUE(conditional_engines_count == 2);
 }
 
 TEST(Partitioning, FallbackInplaceOPInConditionalsCorrectly) {