diff --git a/src/test/java/co/jp/app/dogtestbyadmin/UserServiceTest.java b/src/test/java/co/jp/app/dogtestbyadmin/UserServiceTest.java
index 51d165c..1f13c43 100644
--- a/src/test/java/co/jp/app/dogtestbyadmin/UserServiceTest.java
+++ b/src/test/java/co/jp/app/dogtestbyadmin/UserServiceTest.java
@@ -15,6 +15,8 @@ import org.mockito.junit.jupiter.MockitoExtension;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.security.crypto.password.PasswordEncoder;
 
+import static org.mockito.Mockito.when;
+
 @SpringBootTest
 @ExtendWith(MockitoExtension.class)
 public class UserServiceTest {
@@ -50,7 +52,13 @@ public class UserServiceTest {
     }
 
     @Test
-    void testRegisterNewUser () throws Exception{
+    void testRegisterNewUser_normal () throws Exception{
+
+        when(userRepository.existsByEmail(registrationDto.getEmail())).thenReturn(false);
+
+        when(passwordEncoder.encode(registrationDto.getPassword())).thenReturn(registrationDto.getPassword());
+
+        when(userRepository.save(userEntity)).thenAnswer(invocation -> invocation.getArgument(0));
 
     }