diff --git a/core/data/src/test/kotlin/com/google/samples/apps/nowinandroid/core/data/repository/OfflineFirstNewsRepositoryTest.kt b/core/data/src/test/kotlin/com/google/samples/apps/nowinandroid/core/data/repository/OfflineFirstNewsRepositoryTest.kt
index 47c3996c4..413147f0e 100644
--- a/core/data/src/test/kotlin/com/google/samples/apps/nowinandroid/core/data/repository/OfflineFirstNewsRepositoryTest.kt
+++ b/core/data/src/test/kotlin/com/google/samples/apps/nowinandroid/core/data/repository/OfflineFirstNewsRepositoryTest.kt
@@ -73,7 +73,7 @@ class OfflineFirstNewsRepositoryTest {
     @Before
     fun setup() {
         niaPreferencesDataSource = NiaPreferencesDataSource(
-            tmpFolder.testUserPreferencesDataStore(testScope),
+            tmpFolder.testUserPreferencesDataStore(testScope.backgroundScope),
         )
         newsResourceDao = TestNewsResourceDao()
         topicDao = TestTopicDao()
diff --git a/core/data/src/test/kotlin/com/google/samples/apps/nowinandroid/core/data/repository/OfflineFirstTopicsRepositoryTest.kt b/core/data/src/test/kotlin/com/google/samples/apps/nowinandroid/core/data/repository/OfflineFirstTopicsRepositoryTest.kt
index 3bd314eae..be41c86f2 100644
--- a/core/data/src/test/kotlin/com/google/samples/apps/nowinandroid/core/data/repository/OfflineFirstTopicsRepositoryTest.kt
+++ b/core/data/src/test/kotlin/com/google/samples/apps/nowinandroid/core/data/repository/OfflineFirstTopicsRepositoryTest.kt
@@ -60,7 +60,7 @@ class OfflineFirstTopicsRepositoryTest {
         topicDao = TestTopicDao()
         network = TestNiaNetworkDataSource()
         niaPreferences = NiaPreferencesDataSource(
-            tmpFolder.testUserPreferencesDataStore(testScope),
+            tmpFolder.testUserPreferencesDataStore(testScope.backgroundScope),
         )
         synchronizer = TestSynchronizer(niaPreferences)
 
diff --git a/core/data/src/test/kotlin/com/google/samples/apps/nowinandroid/core/data/repository/OfflineFirstUserDataRepositoryTest.kt b/core/data/src/test/kotlin/com/google/samples/apps/nowinandroid/core/data/repository/OfflineFirstUserDataRepositoryTest.kt
index 422e2cfb7..88b3251e5 100644
--- a/core/data/src/test/kotlin/com/google/samples/apps/nowinandroid/core/data/repository/OfflineFirstUserDataRepositoryTest.kt
+++ b/core/data/src/test/kotlin/com/google/samples/apps/nowinandroid/core/data/repository/OfflineFirstUserDataRepositoryTest.kt
@@ -51,7 +51,7 @@ class OfflineFirstUserDataRepositoryTest {
     @Before
     fun setup() {
         niaPreferencesDataSource = NiaPreferencesDataSource(
-            tmpFolder.testUserPreferencesDataStore(testScope),
+            tmpFolder.testUserPreferencesDataStore(testScope.backgroundScope),
         )
 
         subject = OfflineFirstUserDataRepository(
diff --git a/core/datastore/src/test/kotlin/com/google/samples/apps/nowinandroid/core/datastore/NiaPreferencesDataSourceTest.kt b/core/datastore/src/test/kotlin/com/google/samples/apps/nowinandroid/core/datastore/NiaPreferencesDataSourceTest.kt
index 433812808..ba1706461 100644
--- a/core/datastore/src/test/kotlin/com/google/samples/apps/nowinandroid/core/datastore/NiaPreferencesDataSourceTest.kt
+++ b/core/datastore/src/test/kotlin/com/google/samples/apps/nowinandroid/core/datastore/NiaPreferencesDataSourceTest.kt
@@ -40,7 +40,7 @@ class NiaPreferencesDataSourceTest {
     @Before
     fun setup() {
         subject = NiaPreferencesDataSource(
-            tmpFolder.testUserPreferencesDataStore(testScope),
+            tmpFolder.testUserPreferencesDataStore(testScope.backgroundScope),
         )
     }