diff --git a/core/data-test/build.gradle.kts b/core/data-test/build.gradle.kts
index f50e7b4b8..dfc224e19 100644
--- a/core/data-test/build.gradle.kts
+++ b/core/data-test/build.gradle.kts
@@ -25,4 +25,5 @@ android {
 dependencies {
     api(project(":core:data"))
     implementation(project(":core:testing"))
+    implementation(project(":core:common"))
 }
diff --git a/core/datastore-test/build.gradle.kts b/core/datastore-test/build.gradle.kts
index c7c423c25..193c49da7 100644
--- a/core/datastore-test/build.gradle.kts
+++ b/core/datastore-test/build.gradle.kts
@@ -26,6 +26,7 @@ dependencies {
     api(project(":core:datastore"))
     api(libs.androidx.dataStore.core)
 
+    implementation(libs.protobuf.kotlin.lite)
     implementation(project(":core:common"))
     implementation(project(":core:testing"))
 }
diff --git a/core/testing/src/main/java/com/google/samples/apps/nowinandroid/core/testing/di/TestDispatchersModule.kt b/core/testing/src/main/java/com/google/samples/apps/nowinandroid/core/testing/di/TestDispatchersModule.kt
index a5eb506ae..f2134105a 100644
--- a/core/testing/src/main/java/com/google/samples/apps/nowinandroid/core/testing/di/TestDispatchersModule.kt
+++ b/core/testing/src/main/java/com/google/samples/apps/nowinandroid/core/testing/di/TestDispatchersModule.kt
@@ -17,6 +17,7 @@
 package com.google.samples.apps.nowinandroid.core.testing.di
 
 import com.google.samples.apps.nowinandroid.core.network.Dispatcher
+import com.google.samples.apps.nowinandroid.core.network.NiaDispatchers.Default
 import com.google.samples.apps.nowinandroid.core.network.NiaDispatchers.IO
 import com.google.samples.apps.nowinandroid.core.network.di.DispatchersModule
 import dagger.Module
@@ -35,4 +36,10 @@ object TestDispatchersModule {
     @Provides
     @Dispatcher(IO)
     fun providesIODispatcher(testDispatcher: TestDispatcher): CoroutineDispatcher = testDispatcher
+
+    @Provides
+    @Dispatcher(Default)
+    fun providesDefaultDispatcher(
+        testDispatcher: TestDispatcher,
+    ): CoroutineDispatcher = testDispatcher
 }