fix ut

Author: airborne12

be/test/olap/rowset/segment_v2/inverted_index_file_writer_test.cpp

@@ -807,12 +807,9 @@ TEST_F(IndexFileWriterTest, WriteV2OutputTest) {
     EXPECT_CALL(
             *(IndexStorageFormatV2MockCreateOutputStream*)writer_mock._index_storage_format.get(),
             create_output_stream())
-            .WillOnce(::testing::Invoke(
-                    [&]() -> std::pair<std::unique_ptr<lucene::store::Directory, DirectoryDeleter>,
-                                       std::unique_ptr<lucene::store::IndexOutput>> {
-                        return std::make_pair(std::move(out_dir_ptr),
-                                              std::move(compound_file_output));
-                    }));
+            .WillOnce(::testing::Invoke([&]() -> std::unique_ptr<lucene::store::IndexOutput> {
+                return std::move(compound_file_output);
+            }));
 
     int64_t index_id = 1;
     std::string index_suffix = "suffix1";
@@ -870,12 +867,9 @@ TEST_F(IndexFileWriterTest, WriteV2OutputCloseErrorTest) {
     EXPECT_CALL(
             *(IndexStorageFormatV2MockCreateOutputStream*)writer_mock._index_storage_format.get(),
             create_output_stream())
-            .WillOnce(::testing::Invoke(
-                    [&]() -> std::pair<std::unique_ptr<lucene::store::Directory, DirectoryDeleter>,
-                                       std::unique_ptr<lucene::store::IndexOutput>> {
-                        return std::make_pair(std::move(out_dir_ptr),
-                                              std::move(compound_file_output));
-                    }));
+            .WillOnce(::testing::Invoke([&]() -> std::unique_ptr<lucene::store::IndexOutput> {
+                return std::move(compound_file_output);
+            }));
 
     int64_t index_id = 1;
     std::string index_suffix = "suffix1";