diff --git a/app/src/main/java/com/macoev/roomsample/MainActivity.kt b/app/src/main/java/com/macoev/roomsample/MainActivity.kt
index f289c07..cebdaf9 100644
--- a/app/src/main/java/com/macoev/roomsample/MainActivity.kt
+++ b/app/src/main/java/com/macoev/roomsample/MainActivity.kt
@@ -15,7 +15,7 @@ import java.time.Duration
 
 class MainActivity : AppCompatActivity() {
 
-    val model: UserViewModel by viewModels()
+    private val model: UserViewModel by viewModels()
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -38,5 +38,4 @@ class MainActivity : AppCompatActivity() {
                 }
         }
     }
-
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/macoev/roomsample/data/repository/Repository.kt b/app/src/main/java/com/macoev/roomsample/data/repository/Repository.kt
index cc0046a..c59533e 100644
--- a/app/src/main/java/com/macoev/roomsample/data/repository/Repository.kt
+++ b/app/src/main/java/com/macoev/roomsample/data/repository/Repository.kt
@@ -8,9 +8,14 @@ import kotlinx.coroutines.Job
 
 interface Repository {
     fun getAllUsers(): LiveData<List<User>>
+
     fun insert(vararg users: User): Job?
+
     fun delete(user: User): Job?
+
     fun findBy(name: String): LiveData<List<User>>
+
     fun findByIds(vararg ids: Int): LiveData<List<User>>
+
     fun deleteAll()
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/macoev/roomsample/data/repository/UserRepository.kt b/app/src/main/java/com/macoev/roomsample/data/repository/UserRepository.kt
index e7f6dc9..7012db3 100644
--- a/app/src/main/java/com/macoev/roomsample/data/repository/UserRepository.kt
+++ b/app/src/main/java/com/macoev/roomsample/data/repository/UserRepository.kt
@@ -5,7 +5,7 @@ import com.macoev.roomsample.data.UserDao
 import kotlinx.coroutines.*
 
 class UserRepository(private val dao: UserDao) : Repository {
-    private val scope get() = CoroutineScope(Job() + Dispatchers.IO)
+    private val scope = CoroutineScope(Job() + Dispatchers.IO)
 
     override fun getAllUsers() = dao.getAll()
 
diff --git a/app/src/main/java/com/macoev/roomsample/viewmodel/UserViewModel.kt b/app/src/main/java/com/macoev/roomsample/viewmodel/UserViewModel.kt
index 14ba73c..8973577 100644
--- a/app/src/main/java/com/macoev/roomsample/viewmodel/UserViewModel.kt
+++ b/app/src/main/java/com/macoev/roomsample/viewmodel/UserViewModel.kt
@@ -8,7 +8,9 @@ import com.macoev.roomsample.data.User
 import com.macoev.roomsample.data.repository.Repository
 
 class UserViewModel(application: Application) : AndroidViewModel(application) {
+
     private var repository: Repository = RepositoryLocator.get(application)
+
     var adapter: UserAdapter = UserAdapter(repository)
 
     fun getAllUsers() = repository.getAllUsers()
@@ -22,5 +24,4 @@ class UserViewModel(application: Application) : AndroidViewModel(application) {
     fun findBy(name: String) = repository.findBy(name)
 
     fun findById(vararg ids: Int) = repository.findByIds(*ids)
-
 }
\ No newline at end of file
diff --git a/app/src/test/java/com/macoev/roomsample/UserViewModelTest.kt b/app/src/test/java/com/macoev/roomsample/UserViewModelTest.kt
index acc7973..d0c2276 100644
--- a/app/src/test/java/com/macoev/roomsample/UserViewModelTest.kt
+++ b/app/src/test/java/com/macoev/roomsample/UserViewModelTest.kt
@@ -44,7 +44,7 @@ class UserViewModelTest {
     }
 
     @After
-    fun removeAllUser_dataLoaded() = runBlockingTest {
+    fun removeAllUser() = runBlockingTest {
         userViewModel.deleteAll()
     }
 }
\ No newline at end of file