diff --git a/core/data-test/.gitignore b/core/data-test/.gitignore
new file mode 100644
index 0000000..42afabf
--- /dev/null
+++ b/core/data-test/.gitignore
@@ -0,0 +1 @@
+/build
\ No newline at end of file
diff --git a/core/data-test/build.gradle.kts b/core/data-test/build.gradle.kts
new file mode 100644
index 0000000..ffaa2f3
--- /dev/null
+++ b/core/data-test/build.gradle.kts
@@ -0,0 +1,14 @@
+plugins {
+    alias(libs.plugins.pq.android.library)
+    alias(libs.plugins.pq.android.hilt)
+}
+
+android {
+    namespace = "com.wei.picquest.core.data.test"
+}
+
+dependencies {
+    api(projects.core.data)
+
+    implementation(libs.hilt.android.testing)
+}
diff --git a/core/data-test/src/main/AndroidManifest.xml b/core/data-test/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..a5918e6
--- /dev/null
+++ b/core/data-test/src/main/AndroidManifest.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+</manifest>
\ No newline at end of file
diff --git a/core/data-test/src/main/java/com/wei/picquest/core/data/test/AlwaysOnlineNetworkMonitor.kt b/core/data-test/src/main/java/com/wei/picquest/core/data/test/AlwaysOnlineNetworkMonitor.kt
new file mode 100644
index 0000000..b2fb4e1
--- /dev/null
+++ b/core/data-test/src/main/java/com/wei/picquest/core/data/test/AlwaysOnlineNetworkMonitor.kt
@@ -0,0 +1,12 @@
+package com.wei.picquest.core.data.test
+
+import com.wei.picquest.core.data.utils.NetworkMonitor
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flowOf
+import javax.inject.Inject
+
+class AlwaysOnlineNetworkMonitor
+@Inject
+constructor() : NetworkMonitor {
+    override val isOnline: Flow<Boolean> = flowOf(true)
+}
diff --git a/core/data-test/src/main/java/com/wei/picquest/core/data/test/TestDataModule.kt b/core/data-test/src/main/java/com/wei/picquest/core/data/test/TestDataModule.kt
new file mode 100644
index 0000000..40462eb
--- /dev/null
+++ b/core/data-test/src/main/java/com/wei/picquest/core/data/test/TestDataModule.kt
@@ -0,0 +1,33 @@
+package com.wei.picquest.core.data.test
+
+import com.wei.picquest.core.data.di.DataModule
+import com.wei.picquest.core.data.repository.DefaultSearchImagesRepository
+import com.wei.picquest.core.data.repository.DefaultSearchVideosRepository
+import com.wei.picquest.core.data.repository.DefaultUserDataRepository
+import com.wei.picquest.core.data.repository.SearchImagesRepository
+import com.wei.picquest.core.data.repository.SearchVideosRepository
+import com.wei.picquest.core.data.repository.UserDataRepository
+import com.wei.picquest.core.data.utils.NetworkMonitor
+import dagger.Binds
+import dagger.Module
+import dagger.hilt.components.SingletonComponent
+import dagger.hilt.testing.TestInstallIn
+
+@Module
+@TestInstallIn(
+    components = [SingletonComponent::class],
+    replaces = [DataModule::class],
+)
+interface TestDataModule {
+    @Binds
+    fun bindsSearchImagesRepository(searchImagesRepository: DefaultSearchImagesRepository): SearchImagesRepository
+
+    @Binds
+    fun bindsSearchVideosRepository(searchVideosRepository: DefaultSearchVideosRepository): SearchVideosRepository
+
+    @Binds
+    fun bindsNetworkMonitor(networkMonitor: AlwaysOnlineNetworkMonitor): NetworkMonitor
+
+    @Binds
+    fun bindsUserDataRepository(userDataRepository: DefaultUserDataRepository): UserDataRepository
+}
diff --git a/settings.gradle.kts b/settings.gradle.kts
index a64eec7..3736e5d 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -23,6 +23,7 @@ include(":core:designsystem")
 include(":core:testing")
 include(":core:common")
 include(":core:data")
+include(":core:data-test")
 include(":core:domain")
 include(":core:model")
 include(":core:network")