diff --git a/src/main/java/myblog/blog/article/application/port/incomming/request/ArticleCreateCommand.java b/src/main/java/myblog/blog/article/application/port/incomming/request/ArticleCreateCommand.java
index 27ad14d..ffa5002 100644
--- a/src/main/java/myblog/blog/article/application/port/incomming/request/ArticleCreateCommand.java
+++ b/src/main/java/myblog/blog/article/application/port/incomming/request/ArticleCreateCommand.java
@@ -2,6 +2,7 @@ package myblog.blog.article.application.port.incomming.request;
 
 import lombok.AllArgsConstructor;
 import lombok.Getter;
+import lombok.NoArgsConstructor;
 import myblog.blog.article.adapter.incomming.ArticleForm;
 
 @Getter
diff --git a/src/main/java/myblog/blog/article/domain/Article.java b/src/main/java/myblog/blog/article/domain/Article.java
index 7a7c7e3..44851c5 100644
--- a/src/main/java/myblog/blog/article/domain/Article.java
+++ b/src/main/java/myblog/blog/article/domain/Article.java
@@ -10,6 +10,7 @@ import lombok.Getter;
 import org.hibernate.annotations.OnDelete;
 import org.hibernate.annotations.OnDeleteAction;
 import javax.persistence.*;
+import javax.validation.constraints.NotNull;
 import java.util.*;
 
 /*
diff --git a/src/main/java/myblog/blog/infra/config/SecurityConfig.java b/src/main/java/myblog/blog/infra/config/SecurityConfig.java
index e060b8d..c13fa4a 100644
--- a/src/main/java/myblog/blog/infra/config/SecurityConfig.java
+++ b/src/main/java/myblog/blog/infra/config/SecurityConfig.java
@@ -1,7 +1,7 @@
 package myblog.blog.infra.config;
 
 import lombok.RequiredArgsConstructor;
-import myblog.blog.infra.exception.LoginFailHandler;
+import myblog.blog.shared.exception.LoginFailHandler;
 import myblog.blog.member.doamin.Role;
 import myblog.blog.member.application.Oauth2MemberService;
 import org.springframework.boot.autoconfigure.security.servlet.PathRequest;
diff --git a/src/main/java/myblog/blog/infra/exception/ExceptionController.java b/src/main/java/myblog/blog/shared/exception/ExceptionController.java
similarity index 94%
rename from src/main/java/myblog/blog/infra/exception/ExceptionController.java
rename to src/main/java/myblog/blog/shared/exception/ExceptionController.java
index abd7845..0810fed 100644
--- a/src/main/java/myblog/blog/infra/exception/ExceptionController.java
+++ b/src/main/java/myblog/blog/shared/exception/ExceptionController.java
@@ -1,4 +1,4 @@
-package myblog.blog.infra.exception;
+package myblog.blog.shared.exception;
 
 import myblog.blog.shared.application.port.incomming.LayoutRenderingUseCase;
 
diff --git a/src/main/java/myblog/blog/infra/exception/ExceptionRestControllerAdvice.java b/src/main/java/myblog/blog/shared/exception/ExceptionRestControllerAdvice.java
similarity index 94%
rename from src/main/java/myblog/blog/infra/exception/ExceptionRestControllerAdvice.java
rename to src/main/java/myblog/blog/shared/exception/ExceptionRestControllerAdvice.java
index bdf9fc2..6e5a80b 100644
--- a/src/main/java/myblog/blog/infra/exception/ExceptionRestControllerAdvice.java
+++ b/src/main/java/myblog/blog/shared/exception/ExceptionRestControllerAdvice.java
@@ -1,4 +1,4 @@
-package myblog.blog.infra.exception;
+package myblog.blog.shared.exception;
 
 import myblog.blog.comment.adapter.incomming.CommentBadRequestException;
 import org.springframework.http.HttpStatus;
diff --git a/src/main/java/myblog/blog/infra/exception/LoginFailHandler.java b/src/main/java/myblog/blog/shared/exception/LoginFailHandler.java
similarity index 97%
rename from src/main/java/myblog/blog/infra/exception/LoginFailHandler.java
rename to src/main/java/myblog/blog/shared/exception/LoginFailHandler.java
index 13949a5..cedebcb 100644
--- a/src/main/java/myblog/blog/infra/exception/LoginFailHandler.java
+++ b/src/main/java/myblog/blog/shared/exception/LoginFailHandler.java
@@ -1,4 +1,4 @@
-package myblog.blog.infra.exception;
+package myblog.blog.shared.exception;
 
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.security.authentication.AuthenticationServiceException;
diff --git a/src/test/kotlin/ArticleServiceTests.kt b/src/test/kotlin/ArticleServiceTests.kt
new file mode 100644
index 0000000..b47dcd8
--- /dev/null
+++ b/src/test/kotlin/ArticleServiceTests.kt
@@ -0,0 +1,29 @@
+package myblog.blog.article.application
+
+import myblog.blog.article.application.port.incomming.TagUseCase
+import myblog.blog.article.application.port.outgoing.ArticleBackupRepositoryPort
+import myblog.blog.article.application.port.outgoing.ArticleRepositoryPort
+import myblog.blog.article.domain.Article
+import myblog.blog.category.appliacation.port.incomming.CategoryUseCase
+import myblog.blog.member.application.port.incomming.MemberQueriesUseCase
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.extension.ExtendWith
+import org.mockito.InjectMocks
+import org.mockito.Mock
+import org.mockito.junit.jupiter.MockitoExtension
+
+@ExtendWith(MockitoExtension::class)
+class ArticleServiceTests {
+    @Mock lateinit var tagUseCase: TagUseCase
+    @Mock lateinit var categoryUseCase: CategoryUseCase
+    @Mock lateinit var memberQueriesUseCase: MemberQueriesUseCase
+    @Mock lateinit var articleRepositoryPort: ArticleRepositoryPort
+    @Mock lateinit var articleBackupRepositoryPort: ArticleBackupRepositoryPort
+    @InjectMocks lateinit var articleService: ArticleService
+
+    @Test
+    fun`제목이 없는 article 엔티티 초기화 불가`(){
+        Article.builder().build()
+    }
+
+}
\ No newline at end of file
diff --git a/src/test/kotlin/myblog/blog/article/application/ArticleServiceTests.kt b/src/test/kotlin/myblog/blog/article/application/ArticleServiceTests.kt
deleted file mode 100644
index 8c0dd0c..0000000
--- a/src/test/kotlin/myblog/blog/article/application/ArticleServiceTests.kt
+++ /dev/null
@@ -1,26 +0,0 @@
-//package myblog.blog.article.application
-//
-//import myblog.blog.article.application.port.incomming.TagUseCase
-//import myblog.blog.article.application.port.outgoing.ArticleBackupRepositoryPort
-//import myblog.blog.article.application.port.outgoing.ArticleRepositoryPort
-//import myblog.blog.category.appliacation.port.incomming.CategoryUseCase
-//import myblog.blog.member.application.port.incomming.MemberQueriesUseCase
-//import org.junit.jupiter.api.extension.ExtendWith
-//import org.mockito.InjectMocks
-//import org.mockito.Mock
-//import org.mockito.junit.jupiter.MockitoExtension
-//
-//@ExtendWith(MockitoExtension::class)
-//class ArticleServiceTests {
-//    @Mock lateinit var tagUseCase: TagUseCase
-//    @Mock lateinit var categoryUseCase: CategoryUseCase
-//    @Mock lateinit var memberQueriesUseCase: MemberQueriesUseCase
-//    @Mock lateinit var articleRepositoryPort: ArticleRepositoryPort
-//    @Mock lateinit var articleBackupRepositoryPort: ArticleBackupRepositoryPort
-//    @InjectMocks lateinit var articleService: ArticleService
-//
-//    fun``(){
-//
-//    }
-//
-//}
\ No newline at end of file