Address remaining EPContext review comments

Author: Gopalakrishnan Nallasamy

onnxruntime/test/autoep/library/ep_context_data_utils.h

@@ -79,6 +79,8 @@ inline std::string PathToUtf8String(const std::filesystem::path& path) {
 
 inline OrtStatus* ResolveEpContextDataPath(const OrtApi& api, const char* file_name, const OrtGraph* graph,
                                            std::filesystem::path& data_path) {
+  data_path.clear();
+
   if (file_name == nullptr || file_name[0] == '\0') {
     return api.CreateStatus(ORT_INVALID_ARGUMENT, "EPContext data file name must not be empty");
   }

onnxruntime/test/autoep/test_execution.cc

@@ -647,10 +647,15 @@ TEST(OrtEpLibrary, EpContextDataUtils_ResolvePathAndInvalidArguments) {
   const auto fake_ep_api = MakeFakeEpApi();
   std::filesystem::path data_path;
 
+  data_path = "stale.ctx";
   ExpectOrtStatusError(ep_context_data_utils::ResolveEpContextDataPath(api, nullptr, nullptr, data_path),
                        ORT_INVALID_ARGUMENT, "EPContext data file name must not be empty");
+  EXPECT_TRUE(data_path.empty());
+
+  data_path = "stale.ctx";
   ExpectOrtStatusError(ep_context_data_utils::ResolveEpContextDataPath(api, "", nullptr, data_path),
                        ORT_INVALID_ARGUMENT, "EPContext data file name must not be empty");
+  EXPECT_TRUE(data_path.empty());
 
   ASSERT_ORTSTATUS_OK(ep_context_data_utils::ResolveEpContextDataPath(api, "relative.ctx", nullptr, data_path));
   EXPECT_EQ(ep_context_data_utils::PathToUtf8String(data_path), "relative.ctx");

onnxruntime/test/framework/ep_plugin_provider_test.cc

@@ -18,7 +18,6 @@
 #include "core/framework/op_kernel.h"
 #include "core/framework/resource_accountant.h"
 #include "core/graph/constants.h"
-#include "core/graph/ep_api_types.h"
 #include "core/graph/graph_viewer.h"
 #include "core/graph/model.h"
 #include "core/optimizer/graph_optimizer_registry.h"