diff --git a/src/test/kotlin/me/nettee/board/adapter/driving/web/BoardQueryApiTest.kt b/src/test/kotlin/me/nettee/board/adapter/driving/web/BoardQueryApiTest.kt
index 484360d..5fea48a 100644
--- a/src/test/kotlin/me/nettee/board/adapter/driving/web/BoardQueryApiTest.kt
+++ b/src/test/kotlin/me/nettee/board/adapter/driving/web/BoardQueryApiTest.kt
@@ -1,8 +1,5 @@
 package me.nettee.board.adapter.driving.web
 
-import com.fasterxml.jackson.annotation.JsonInclude
-import com.fasterxml.jackson.databind.ObjectMapper
-import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule
 import io.kotest.core.spec.style.FreeSpec
 import me.nettee.board.adapter.driving.web.dto.BoardQueryDto.BoardDetailResponse
 import me.nettee.board.adapter.driving.web.mapper.BoardDtoMapper
@@ -11,20 +8,19 @@ import me.nettee.board.application.model.BoardQueryModels.BoardSummary
 import me.nettee.board.application.model.BoardQueryModels.BoardDetail
 import me.nettee.board.application.usecase.BoardReadByStatusesUseCase
 import me.nettee.board.application.usecase.BoardReadUseCase
+import me.nettee.core.config.JacksonTestConfig
 import org.junit.jupiter.api.extension.ExtendWith
 import org.mockito.ArgumentMatchers.any
 import org.mockito.ArgumentMatchers.argThat
 import org.mockito.Mockito.`when`
 import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest
-import org.springframework.boot.test.context.TestConfiguration
-import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Import
 import org.springframework.data.domain.Page
 import org.springframework.data.domain.PageImpl
 import org.springframework.data.domain.Pageable
 import org.springframework.http.HttpStatus
 import org.springframework.http.MediaType
-import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter
 import org.springframework.test.context.bean.override.mockito.MockitoBean
 import org.springframework.test.context.junit.jupiter.SpringExtension
 import org.springframework.test.web.servlet.MockMvc
@@ -35,6 +31,7 @@ import java.time.Instant
 
 @WebMvcTest(BoardQueryApi::class)
 @ExtendWith(SpringExtension::class)
+@Import(JacksonTestConfig::class)
 class BoardQueryApiTest(
     @MockitoBean private val boardReadUseCase: BoardReadUseCase,
     @MockitoBean private val boardReadByStatusesUseCase: BoardReadByStatusesUseCase,
@@ -107,11 +104,6 @@ class BoardQueryApiTest(
     ) -> Page<BoardSummary>
 
     beforeSpec {
-        val objectMapper = ObjectMapper().apply {
-            registerModule(JavaTimeModule())
-            setSerializationInclusion(JsonInclude.Include.NON_NULL)
-        }
-
         boardReadSummaryModelPage = { boardList, pageable, boardStatus ->
             val filteredBoards = boardList
                 .takeIf { it.isNotEmpty() }
@@ -137,9 +129,6 @@ class BoardQueryApiTest(
             )
         }
 
-        val jsonResult = objectMapper.writeValueAsString(boardDetailWithNull)
-        val nonNullResponse = objectMapper.readValue(jsonResult, BoardDetail::class.java)
-
         `when`(boardReadUseCase.getBoard(1L)).thenAnswer { boardDetail }
         `when`(boardReadUseCase.getBoard(2L)).thenAnswer { boardDetailWithNull }
         `when`(boardReadUseCase.getBoard(argThat { it != 1L && it != 2L })).thenThrow(ResponseStatusException(HttpStatus.NOT_FOUND))
@@ -154,21 +143,6 @@ class BoardQueryApiTest(
             boardReadSummaryModelPage(boardList, pageable, statuses)
         }
         `when`(boardDtoMapper.toDtoDetail(boardDetail)).thenReturn(BoardDetailResponse(boardDetail))
-        `when`(boardDtoMapper.toDtoDetail(boardDetailWithNull)).thenReturn(BoardDetailResponse(nonNullResponse))
-    }
-}) {
-    @TestConfiguration
-    class JacksonTestConfig {
-        @Bean
-        fun objectMapper(): ObjectMapper {
-            return ObjectMapper()
-                .registerModule(JavaTimeModule())
-                .setSerializationInclusion(JsonInclude.Include.NON_NULL)
-        }
-
-        @Bean
-        fun mappingJackson2HttpMessageConverter(objectMapper: ObjectMapper): MappingJackson2HttpMessageConverter {
-            return MappingJackson2HttpMessageConverter(objectMapper)
-        }
+        `when`(boardDtoMapper.toDtoDetail(boardDetailWithNull)).thenReturn(BoardDetailResponse(boardDetailWithNull))
     }
-}
+})
diff --git a/src/test/kotlin/me/nettee/core/config/JacksonTestConfig.kt b/src/test/kotlin/me/nettee/core/config/JacksonTestConfig.kt
new file mode 100644
index 0000000..d603446
--- /dev/null
+++ b/src/test/kotlin/me/nettee/core/config/JacksonTestConfig.kt
@@ -0,0 +1,23 @@
+package me.nettee.core.config
+
+import com.fasterxml.jackson.annotation.JsonInclude
+import com.fasterxml.jackson.databind.ObjectMapper
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule
+import org.springframework.boot.test.context.TestConfiguration
+import org.springframework.context.annotation.Bean
+import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter
+
+@TestConfiguration
+class JacksonTestConfig {
+    @Bean
+    fun objectMapper(): ObjectMapper {
+        return ObjectMapper()
+                .registerModule(JavaTimeModule())
+                .setSerializationInclusion(JsonInclude.Include.NON_NULL)
+    }
+
+    @Bean
+    fun mappingJackson2HttpMessageConverter(objectMapper: ObjectMapper): MappingJackson2HttpMessageConverter {
+        return MappingJackson2HttpMessageConverter(objectMapper)
+    }
+}
\ No newline at end of file